# random

4,702 results, page 37-
## mathematics

The probability of choosing a 6 at random from a standard deck of playing cars is 1/13.Use this information for 1 and 3. 1. what is the complement of the event of choosing a 6 ? 2. What is the probability of the complement of the event of choosing a 6 ? 3.

*asked by thomas on April 25, 2014* -
## math

The probability of choosing a 6 at random from a standard deck of playing cars is 1/13.Use this information for 1 and 3. 1. what is the complement of the event of choosing a 6 ? 2. What is the probability of the complement of the event of choosing a 6 ? 3.

*asked by thomas on April 24, 2014* -
## poetry

I need help determining the meter in my poem. The Ocean says, "Roar" to wake me up, And I smile as I grab my coffee cup, Because this is the day the Lord has made! I refuse to quiver and be afraid. The sunburst peeks through my window wide, And stay that

*asked by Person on July 1, 2011* -
## Statistics

What price do farmers get for their watermelon crops? In the third week of July, a random sample of 52 farming regions gave a sample mean of = $6.68 per 100 pounds of watermelon. Assume that is known to be $1.94 per 100 pounds. A farm brings 35 tons of

*asked by Desperate on July 7, 2012* -
## english

What is the topic sentence I think it is sentence 3 please let me know if you think it is as well Voice mail is usually part of your firm’s phone system. It is a way to digitally record messages, and it allows “random access” so you can skip, delete,

*asked by michelle on October 20, 2008* -
## STATISTICS HELP!!!!!!!

Statistical Abstracts (117th edition) reports sale price of unleaded gasoline (in cents per gallon) at the refinery. The distribution is mound-shaped with mean μ = 80.04 cents per gallon and standard deviation, σ = 4.74 cents per gallon. (a) Are we

*asked by Amy on August 10, 2011* -
## Statistics

28. A group of statistics students decided to conduct a survey at their university to find the average (mean) amount of time students spend studying per week. Based on a simple random sample, they surveyed 144 students. The statistics showed that students

*asked by Steph on October 22, 2011* -
## statistics

A certain geneticist is interested in the proportion of males and females in the population that have a certain minor blood disorder. In a random sample of 1500 males, 75 are found to have disorder, whereas 80 of 2000 females appear to have disorder. Find

*asked by Ali on June 3, 2011* -
## statistics3. Sick-leave records obtained from a ra

3. Sick-leave records obtained from a random sample of 200 social workers showed a mean number of days sick leave equal to 25.6 last year. If the sample standard deviation is 5.1, construct a 90% confidence interval for the mean number of days sick leave

*asked by CYNTHIA on March 29, 2013* -
## Statistics

A random sample of 14 evenings at the O'Sullivan house hold showed that the family received an average of 2.4 solicitation calls each evening. The sample standard deviation was s= 0.9. Find a 99% confidence interval for the population mean number of

*asked by Jasmine on March 25, 2012* -
## Statistics

A random sample of 14 evenings at the O'Sullivan house hold showed that the family received an average of 2.4 solicitation calls each evening. The sample standard deviation was s= 0.9. Find a 99% confidence interval for the population mean number of

*asked by Sara on November 7, 2012* -
## Math

the 64 people who answered "yes" to a question, 6 were male. Of the 70 people that answered "no" to the question, 8 were male. If one person is selected at random from the group, what is the probability that the person answered "yes" or was male?

*asked by Help on April 12, 2016* -
## Stat

Of the 64 people who answered "yes" to a question, 6 were male. Of the 70 people that answered "no" to the question, 8 were male. If one person is selected at random from the group, what is the probability that the person answered "yes" or was male?

*asked by Anonymous on April 7, 2016* -
## stats

The Ledd Pipe Company has received a large shipment of pipes, and a quality control inspector wishes to estimate the average diameter of these pipes. A random sample of 18 pipes produces an average diameter of 2.56 mm with a standard deviation of 0.05 mm.

*asked by johnny on November 28, 2012* -
## Probability (Please check answer and assist)

X, is assumed to be a random variable by placing letters of the word “YACHT” in a hat. If these letters are withdrawn then it gets replaced. A value of 1 is given when a vowel is retrieved, and a value of 2 is given when a consonant is retrieved while

*asked by Anonymous on September 16, 2017* -
## grid problem (geometry)

The squares of a 2×60 chessboard are coloured black and white in the standard alternating pattern. At random, exactly half of the black squares are removed from the board. The expected number of white squares that have no neighbours after this process can

*asked by john on June 15, 2013* -
## statistics

In a state,52%of the voters supports party-R, and 48% supports party-D. In second state 47% of the voters supports party-D. Suppose 100 voters are surveyed from each state. Assume the survey uses simple random sampling. what is the probability that the

*asked by johnprabhakaran on November 15, 2011* -
## Statistics

he Sydney Airport Commission set a performance target of 18 minutes for the time taken for passengers to claim their luggage at domestic terminals. In order to monitor performance a study was conducted by taking a random sample of 200 passengers

*asked by Cath on May 24, 2011* -
## Statistics

The Sydney Airport Commission set a performance target of 18 minutes for the time taken for passengers to claim their luggage at domestic terminals. In order to monitor performance a study was conducted by taking a random sample of 200 passengers

*asked by Bob on May 24, 2011* -
## Math

A firm manufactures light bulbs and those that come out of the assembly line are either defective or good. Every five bulbs that come out, 1 is defective. If 3 bulbs are selected at random, what is the probability that: (i) All 3 are defective (ii) All 3

*asked by Maureen on May 6, 2013* -
## Maths

A contains some red and blue balls. There are four more red than blue balls. A ball is removed at random and replaced. A second ball is removed. The probability that the two balls are different colours is 21/50. How many balls are in the box. Ans Drawing a

*asked by Peter on November 11, 2017* -
## probability

Kevin has 11 CDs in his glove compartment. Six are rock and 5 are rap. He selects 3 cds at random. What is the probability that he picks at least 2 rap cds? Pr (two)=5/11 * 4/10 * 6/9 Pr (three ) =5/11 * 4/10 * 3/9 add those. Not quite bobpursley. There

*asked by matt on December 13, 2006* -
## Statistics

Fire department response time is the length of time it takes a fire truck to arrive at the scene of a fire starting from the time the call was given to the truck. Response time for Gabble Fire Department follows a mound shaped and symmetric distribution.

*asked by Ivana on December 11, 2012* -
## PROBABILITIES

Factories A and B produce computers. Factory A produces 3 times as many computers as factory B. The probability that an item produced by factory A is defective is 0.037 and the probability that an item produced by factory B is defective is 0.05. A computer

*asked by cmb on December 2, 2010* -
## Probability

Factories A and B produce computers. Factory A produces 2 times as many computers as factory B. The probability that an item produced by factory A is defective is 0.012 and the probability that an item produced by factory B is defective is 0.04. A computer

*asked by Julie on April 26, 2011* -
## experimental probability

you spin a spinner 50 times. it lands on red 8 times, yellow 12 times, green 20 times, and blue 10 times. based on the results, what is the experimental probility of its landing on green or yellow? thanks I will be happy to critique your work on this. i

*asked by dillon on April 13, 2007* -
## MATH

ALLY HAD A GAME WITH 2 GROUPS OF PLAYING TILES. THE FIRST GROUP OF 24 TILES HAD ALL THE LETTERS OF THE ALPHABET EXCEPT U AND Y. EACH TILE HAD 1 LETTER ON IT. THE SECOND GROUP OF 5 TILES HAD THE NUMBERS 1 THROUGH 5, WITH 1 NUMBER ON EACH TILE. IF ALLY DREW

*asked by Anonymous on January 17, 2014* -
## Statistics

The Centers for Disease Control (CDC) collects yearly statistics on drinking behavior in the United States by surveying a random sample of U.S. adults. The following data display the percent of adults aged 18 years and over who had 5 or more drinks in 1

*asked by Rupal on July 16, 2013* -
## Statistics

In testing a new drug, researchers found that 20% of all patients using it will have a mild side effect. A random sample of 25 patients using the drug is selected. Find the mean and standard deviation of patients having a mild side effect. Mean = np =

*asked by Ray on March 11, 2016* -
## math

You are driving a car and the speed is an exponentialy distributed random variable with mean 50 (in miles per hour). The speed limit is 60 miles per hour, and if your speed is x > 60 miles per hour, the probability you are stopped by the police is 1 -

*asked by hsuan on May 3, 2013* -
## math

You are driving a car and the speed is an exponentialy distributed random variable with mean 50 (in miles per hour). The speed limit is 60 miles per hour, and if your speed is x > 60 miles per hour, the probability you are stopped by the police is 1 -

*asked by hsuan on May 4, 2013* -
## math

A specially made pair of dice has only one- and two-spots on the faces. One of the dice has three faces with one-spot and three faces with two-spot. The other die has two faces with one-spot and four faces with a two-spot. One of the dice is selected at

*asked by Anonymous on July 31, 2014* -
## statistics

An auto maker estimates that the mean gas mileage of its sport utility vehicle is 20 miles per gallon. A random sample of 8 such vehicles had a mean of 18 per gallon and a standard deviation of 5 miles per gallon. At á=0.05, can you reject the auto

*asked by George on May 5, 2010* -
## Stats

It is known that the amount of time needed to change the oil in a car is normally distributed with a standard deviation of 5 minutes. A random sample of 100 oil changes yielded a sample mean of 22 minutes. Compute the 99% confidence interval estimate of

*asked by Jason L on February 26, 2007* -
## College statistics

Statistical Abstracts (117th edition) reports sale price of unleaded gasoline (in cents per gallon) at the refinery. The distribution is mound-shaped with mean μ = 80.04 cents per gallon and standard deviation, σ = 4.74 cents per gallon. (a) Are we

*asked by Amy on August 10, 2011* -
## Statistics

An industrial psychologist has a stress test that is used to determine the amount of stress that managers are under. A value of 80 or higher indicates “high stress.” The industrial psychologist believes that the managers at a large, profitable

*asked by Anshul on November 25, 2013* -
## geometry

In step 4 of the construction of a perpendicular line through a point, why must the compass point be placed on the points where the arc intersects with the original line? How would the construction be different if the compass point were placed at random

*asked by janet on June 26, 2013* -
## maths- probabilty(me posted third time)plse answer

There are two bags out of which Bag 1 contains 2 white and 3 red balls and bag 2 contains 4 white and 5 red balls. 1 ball is drawn at random from one of the bags and is found to be red. Find the probability that it was drawn from bag 2

*asked by anoynomous on March 19, 2013* -
## maths-probabilty

There are two bags out of which Bag 1 contains 2 white and 3 red balls and bag 2 contains 4 white and 5 red balls. 1 ball is drawn at random from one of the bags and is found to be red. Find the probability that it was drawn from bag 2

*asked by anoynomous on March 19, 2013* -
## maths-probability

A box contains n balls of which 2 are red and the rest are green. Two balls are to be selected at random one after the other from the box without replacement. If the probability of selecting 2 red balls is 1/28, find; the value of n the probability that a

*asked by imoro on February 24, 2015* -
## maths-probabilty(URGENTLYYY)

There are two bags out of which Bag 1 contains 2 white and 3 red balls and bag 2 contains 4 white and 5 red balls. 1 ball is drawn at random from one of the bags and is found to be red. Find the probability that it was drawn from bag 2

*asked by anoynomous on March 19, 2013* -
## probability

A box contains n balls of which 2 are red and the rest are green. Two balls are to be selected at random one after the other from the box without replacement. If the probability of selecting 2 red balls is 1/28, find; the value of n the probability that a

*asked by imoro on February 24, 2015* -
## Math (probability)

A used car sales lot has 25 vehicles manufactured prior to 1990, 36 vehicles manufactured between 1990 and 1995, and 31 vehicles manufactured after 1995. If a car is picked at random, what is the probability that it was manufactured after 1995?

*asked by Cindy on September 9, 2011* -
## Statistics

According to a study by the Centers for Disease Control, the national mean hospital stay after childbirth is 2.1 days. Reviewing records at her own hospital, a hospital administrator calculates that the mean hospital stay for a random sample of 81 women

*asked by Katie on November 10, 2013* -
## chemistry

Three part question Two students each measured the density of a quartz sample three times: Student A Student B 1. 3.20g/mL 2.82g/mL 2. 2.58g/mL 2.48g/mL 3. 2.10g/mL 2.59g/mL mean 2.63g/mL 2.63 g/mL a. which student measured density with the greatest

*asked by Rachel on February 12, 2014* -
## math help

"Three cards are randomly selected from a standard 52-card deck. What is the probability of getting 3 hearts or 3 numbers less than 6 (count aces as 1)?" I think the answer is 0.0645, but I'm not sure if this is right. Could someone check this? "Half of a

*asked by Abby on May 24, 2012* -
## Math Help

At summer camp 20% of the students come from out of state. Megan wants to simulate cabins of 8 campers. She generates random digits from 0 to 9 and lets the digits 0 and 1 represent a camper from out of state. The table: 69531217; 89542756; 89001254;

*asked by Ember on February 19, 2016* -
## help, bobpursely

Please take a look at DEVON's trig equation at 9:14 I must be missing something obvious. If the second had been 3sin 2x it would be a straight forward question. The way it stands I was able to "reduce" it to the equation 8sin^4 x - 8sin^2 x + 3sin x + 2 =

*asked by Reiny on April 17, 2007* -
## statistics

A standardized third grade reading test, called the We Can Read Test, has a mean of 50 with a standard deviation of 10. A developmental psychologist conducts a study, where he assesses the reading ability of a random sample of 75 third graders using the We

*asked by Carrie on April 16, 2014* -
## Stats 2

1. At the national level, the average income for a given occupation is $74 914. You want to determine if the income for member of the occupation is the same in Chicago. You take a random sample of 112 members of the occupation in Chicago. You find that

*asked by Porsha on February 5, 2018* -
## Statistics

One-fifth of the population is left-handed. A random sample of 20 people is selected. a) What is the probability that no more than 6 of the next 20 people are left-handed. b) What is the probability that at least 4 of the next 20 people are left-handed.

*asked by Ben on October 22, 2008* -
## Math

A bag contains 4 green marbles, 6 red marbles, and 2 white marbles. Three marbles are drawn at random with replacement. With replacement means that after a marble is drawn, it is replaced before the next one is drawn. What is the probability of not green,

*asked by Junior on May 18, 2012* -
## Math

A box contains some red balls and some blue balls. There are four more blue balls than red balls. A ball is removed at random, replaced and a second ball randomly removed. The probability that the two balls are different colours is 21/50. How many balls of

*asked by Courtney on November 10, 2016* -
## Statistics

he Oil Price Information Center reports the mean price per gallon of regular gasoline is $ 3.79 with a population standard deviation of $ 0.18. Assume a random sample of 40 gasoline stations is selected and their mean cost for regular gasoline is computed.

*asked by John on September 26, 2010* -
## Math Prob/solving

As Frank drives to work he has to pass through three lights. The probability that any light is green is 39%. Estimate the probability that exactly two lights will be green. Use the following list of digits which was taken from a table of random numbers. In

*asked by Lisa on May 28, 2010* -
## Re: Physics - drwls #2

Posted by winterWX on Monday, March 19, 2007 at 11:54pm. A small block of mass m = 4.0 kg can slide along the frictionless loop-the-loop. The block is released from rest at point P, at height h = 23R above the bottom of the loop (R is the radius of the

*asked by winterWX on March 22, 2007* -
## math check

The amount of fill (weight of contents) put into a glass jar of spaghetti sauce is normally distributed with mean ì = 843 grams and standard deviation of ó = 9 grams (ii) Find the standard error of the x distribution. (Give your answer correct to two

*asked by Sue7 on June 21, 2013* -
## statistics

3. Magnetic resonance imaging (MRI) is a process that produces internal body images using a strong magnetic field. Some patients become claustrophobic and require sedation because they are required to lie within a small, enclosed space during the MRI test.

*asked by david on June 24, 2013* -
## statistics

In baseball, is there a linear correlation between batting average and home run percentage? Let x represent the batting average of a professional baseball player. Let y represent the home run percentage (number of home runs per 100 times at bat). Suppose a

*asked by stephanie on December 19, 2010* -
## math

You are driving a car and the speed is an exponentialy distributed random variable with mean 50 (in miles per hour). The speed limit is 60 miles per hour, and if your speed is x > 60 miles per hour, the probability you are stopped by the police is 1

*asked by hsuan on May 3, 2013* -
## algebra

Members of the student government are planning a movie night on campus. They have asked a random sample of students which of four movies the students would prefer. Here are the results. Movie Preferred Number of Students Movie A 24 Movie B 23 Movie C 35

*asked by Anonymous on August 8, 2017* -
## Probabilities

Company has 90 cars in stock with 4 cylinder engines and 290 with 6 cylinder engines. There are no other cars in stock. 130 of these cars, including 20 of those with 4 cylinder engines have air conditioning. One car on the lot is selected at random. The

*asked by Andrey L on April 21, 2009* -
## stats

slot machines are now video games, with outcomes determined by random number generations. in the old days, slot machines were like this: you pull the lever to spin 3 wheels; each wheel has 20 symbols, all equally likely to show when the wheel stops

*asked by steven on March 23, 2010* -
## statistics

slot machines are now video games, with outcomes determined by random number generations. in the old days, slot machines were like this: you pull the lever to spin 3 wheels; each wheel has 20 symbols, all equally likely to show when the wheel stops

*asked by steven on March 23, 2010* -
## Mathematics

The squares of a 2×60 chessboard are coloured black and white in the standard alternating pattern. At random, exactly half of the black squares are removed from the board. The expected number of white squares that have no neighbours after this process can

*asked by Steve on June 16, 2013* -
## Ms. Sue, please help me on math!

At summer camp 20% of the students come from out of state. Megan wants to simulate cabins of 8 campers. She generates random digits from 0 to 9 and lets the digits 0 and 1 represent a camper from out of state. The table: 69531217; 89542756; 89001254;

*asked by Ember on February 19, 2016* -
## Business statistics

Hello, I'm struggling trying to find the answer for b. Do you know the answer and help would greatly be appreciated! A clean air standard required that vehicle exhaust emissions not exceed specified limits for various pollutants. Many states require that

*asked by John on November 20, 2014* -
## Stats

This is the question: Let's propose a hypothetical situation where you plan to apply your newly acquired analytical skills to the end of the baseball season. The Dodgers most recent win percentage is 0.569. Assume that the team that they are playing and

*asked by Kleena on September 30, 2016* -
## statistics

5. The table below shows Psychology exam scores, Statistics Exam scores, and IQ scores for a random sample of students. What can you observe in the relationship between IQ and psychology, psychology and statistics, and IQ and statistics? Using a

*asked by shirley on November 29, 2011* -
## statistics

A VP of manufacturing claims that no more than 3% of items produced using a certain assembly line are defective. A random sample of 100 items from the assembly line had 5 defectives. At the 5% level of significance, which of the following would be part of

*asked by Anonymous on March 27, 2015* -
## statistics

study by a class x= single trout mean is = 10.5 inches standard dev is= 1.4 inches probability a single trout is between 8 and 12 inches? probability that length of 5 trout at random is between 8 and 12 inches? the researchers are 93.8% confident is there

*asked by brittaney on April 28, 2016* -
## Math Statistics

An investigational drug study is being conducted. The initial screening phase needs to include enough people so that the final (approved) group has at least 10 patients. The probability of a person being approved for the study is .80. what initial sample

*asked by Craig on June 6, 2009* -
## com 200

Kyle has struggled to feel comfortable in science classes with labs since his junior year of high school, when a solution he was working with ignited. He was always cautious with chemicals but his lab partner that year enjoyed seeing what would happen when

*asked by elizabeth on June 15, 2014* -
## Maths

College Education and Business world success R. H. Bruskin Associates Market Research found that 40% of American do not think that having a college education is important to succeed in the business world. if a random sample of five Americans is selected,

*asked by saima on January 12, 2015* -
## Statistics

A number of people were asked how many days they would wait to seek medical treatment if they were suffering pain that interfered with their ability to work. The results are presented in the following table. Number of days: 0 , 1 , 2 , 3 , 4 , 5 Frequency:

*asked by Obi on October 2, 2015* -
## Math

A bag contains 9 red marbles, 8 white marbles, and 6 blue marbles. You draw 4 marbles out at random, without replacement. What is the probability that all the marbles are red? What is the probability that exactly two of the marbles are red? The probability

*asked by Chris on November 11, 2015* -
## Math Stats

Suppose that a random sample of n kernels of popcorn is taken and x of these kernels pop. The buyer wants to be 95% sure that the point estimate for p will be within 0.01.If no preliminary study is done to estimate p, how large a sample should the buyer

*asked by Apryl on March 28, 2012* -
## Statistics

It is known that the amount of time needed to change the oil in a car is normally distributed. A random sample of 100 oil changes yielded a sample mean of 22 minutes and a standard deviation of 5 minutes. Then compared to the interval estimate for the

*asked by Jason L on February 26, 2007* -
## Statistics

An automobile dealership has as one of its performance goals that the proportion of its automobiles sold that are deemed “good value for the money” by the purchasers be at least .90. For a random sample of 400 automobiles sold over the past six months,

*asked by Sheila on April 20, 2012* -
## math

A random sample of dogs at different animal shelters in a city shows that 12 of the 60 dogs are puppies. The city's animal shelters collectively house 1,200 dogs each year. About how many dogs in all of the city's animal shelters are puppies? THANK YOU!

*asked by Tim on February 25, 2016* -
## Statistics

A VP of manufacturing claims that more than 3% of items produced using a certain assembly line are is defective. A random sample of 100 items from the assembly line had 4 defectives. At the 5% level of significance, which of the following would be part of

*asked by mike on November 18, 2013* -
## statistics

1. Are there more broken bones in summer or winter? We get records about the number of fractures treated in January and July at a random sample of 25 emergency rooms. The 95% confidence interval for the mean change ( μd = μJan - μJuly )in the numbers of

*asked by Katie on July 4, 2013* -
## math

1. Consider the following scenario: A random sample obtained from a population has a mean of µ=100 and a standard deviation of σ = 20. The error between the sample mean and the population mean for a sample of n = 16 is 5 points and the error between a

*asked by susan on July 1, 2013* -
## 12 math

there are 8 opposite sex married couples at a party. two people are chosen at random to win a door prize. A. what is the probability that the 2 people will be married to each other? B. what is the probability that the 2 people will be same sex? C. if 6

*asked by Linda on October 8, 2008* -
## college intermediate

In a group of 200 high school students, 36 are taking biology, 52 are taking Spanish, and 126 are taking neither biology nor Spanish. If one of these 200 students is to be chosen at random, what is the probability that the student chosen is taking biology

*asked by Darline on October 12, 2014* -
## College Math

In a group of 200 high school students, 36 are taking biology, 52 are taking Spanish, and 126 are taking neither biology nor Spanish. If one of these 200 students is to be chosen at random, what is the probability that the student chosen is taking biology

*asked by Ed on March 19, 2014* -
## math

In a group of 200 high school students, 36 are taking biology, 52 are taking Spanish, and 126 are taking neither biology nor Spanish. If one of these 200 students is to be chosen at random, what is the probability that the student chosen is taking biology

*asked by jamel on March 12, 2013* -
## Math

The panels for the Pulsar 32-inch TV are manufactured in three locations and then shipped to the main plant for final assembly. Plants A, B, and C supply 50%, 30%, and 20%, respectively of the panels.The quality-control department of the company has

*asked by Natalie on November 5, 2012* -
## statistics

To determine how many hours per week freshmen college students watch television, a random sample of 225 students was selected. It was determined that the students in the sample spent an average of 35 hours watching TV per week. The population standard

*asked by M.C on May 6, 2012* -
## Math: Geometry

Of 162 students honored at an academic awards banquet, 48 won awards for mathematics and 78 won awards for English. There are 14 students who won awards for both mathematics and English. A newspaper chooses a student at random for an interview. What is the

*asked by TTUHelp on May 1, 2017* -
## Physics/Math

A certain string can withstand a maximum tension of 43 N without breaking. A child ties a 0.37 kg stone to one end and, holding the other end, whirls the stone in a vertical circle of radius 0.91 m, slowly increasing the speed until the string breaks.

*asked by COFFEE on February 12, 2007* -
## BSu Probability

In a multiple choice examination there are 20 question, each question has four alternative answer following it and a student must select one correct answer. Four marks are given for the correct answer and one mark is deducted for every wrong answer. A

*asked by onoja on September 14, 2015* -
## BSu Probability

In a multiple choice examination there are 20 question, each question has four alternative answer following it and a student must select one correct answer. Four marks are given for the correct answer and one mark is deducted for every wrong answer. A

*asked by onoja on September 13, 2015* -
## data analysis- math

Question 1 Production Rates A manufacturing company wishes to find out whether the productivity of its workforce has increased now that they have a new machine. The factory examined the records for a random sample of 8 hours over the past month. The hourly

*asked by Tia on May 3, 2016* -
## Data analysis

Question 1 Production Rates A manufacturing company wishes to find out whether the productivity of its workforce has increased now that they have a new machine. The factory examined the records for a random sample of 8 hours over the past month. The hourly

*asked by Tia on May 3, 2016* -
## Data analysis

Question 1 Production Rates A manufacturing company wishes to find out whether the productivity of its workforce has increased now that they have a new machine. The factory examined the records for a random sample of 8 hours over the past month. The hourly

*asked by Tia on May 3, 2016* -
## Stats

Recently, a price war has developed among retailers selling Brand X denim jeans. A major chain buyer wishes to estimate the mean price of these jeans during this period to compare it to the normal selling price of $20.00. A random sample of 7 major

*asked by Mike on November 16, 2012* -
## statistics

1) One hundred clients of a registered tax agent fall into the categories of personal (25 male, 30 female), corporate (10 male, 15 female) and small business (8 male, 12 female). The agent selects one of the clients at random to begin work. Find the

*asked by purna on August 13, 2014* -
## STATISTICS

Who is the king of the late night TV? An internet survey estimates that, when given a choice between David Letterman and Jay Leno, 52% of the population prefers to watch Jay Leno. Suppose that you randomly select three late night TV watchers and ask them

*asked by Hayli on September 30, 2010* -
## statistics

1. An LU professor is interested in whether there is a difference between undergraduate students and graduate students in the amount of time spent praying each day. The professor gathers information from random samples of undergraduate and graduate

*asked by Carl on June 15, 2011*