# random

4,760 results, page 27
1. ## Statistic

A random sample has 61 values. The sample mean is 9.9 and the sample standard deviation is 2. Use a level of significance of a=0.01 to conduct a right-tailed test of the claim that the population mean is 9.2 ( i.e, H_0: u= 9.2, H_1: u>9.2). A)Compute the

asked by Yira f on December 4, 2014
2. ## Math

The table shows the color preference of 50 shoppers at the mal. What is te probability that one shopper, selected at random from the 50 surveyed, preferred the color red or blue? Color preferences color)Number of shoppers) Red)7 yellow)3 blue)13 green)15

asked by LOVE on May 20, 2016
3. ## College Level Probability

Four different written driving tests are administered by the Motor Vehicle Department. One of these four tests is selected at random for each applicant for a driver's license. If a group of 5 applicants (consisting of 2 women and 3 men) apply for a

asked by James on February 23, 2009
4. ## Stats

Suppose the time it takes for a purchasing agent to complete an online ordering process is normally distributed with a mean of 8 minutes and a standard deviation of 2 minutes. Suppose a random sample of 25 ordering processes is selected. The standard

asked by Jerry on November 13, 2011
5. ## Statistics

(TCO A) Consider the following age data, which is the result of selecting a random sample of 20 United Airlines pilots. 47 45 45 52 58 55 58 44 42 38 45 52 48 47 51 45 52 42 37 40 a. Compute the mean, median, mode, and standard deviation, Q1, Q3, Min, Max

asked by Pat on September 6, 2012
6. ## math

A group of people were asked if they had run a red light in the last year. 325 responded "yes", and 294 responded "no". Find the probability that if a person is chosen at random, they have run a red light in the last year.

asked by maria on November 8, 2015
7. ## stata

A group of people were asked if they had run a red light in the last year. 148 responded "yes", and 358 responded "no". Find the probability that if a person is chosen at random, they have run a red light in the last year.

asked by john on December 2, 2017
8. ## math

A group of people were asked if they had run a red light in the last year. 433 responded "yes", and 424 responded "no". Find the probability that if a person is chosen at random, they have run a red light in the last year.

asked by laura on November 15, 2016
9. ## Sets & Probability math Help please

A group of people were asked if they had run a red light in the last year. 206 responded "yes", and 184 responded "no". Find the probability that if a person is chosen at random, they have run a red light in the last year.

asked by Sarah on September 30, 2016
10. ## Statistics

4 calculators were selected at random from a sample of 44 calculators that were defective and 22 that were in good condition. Find the probability that all 4 calculators are defective. Ok, I'll just start this one. There are 66 choose 4 samples. yes/no?

asked by I love math & science ! on July 14, 2006
11. ## Statistics

Suppose that 92% of all SFSU students own a cell phone. Find the probability that 7 out of 10 random selected SFSU students own a cell phone

asked by Mitch on February 24, 2011
12. ## Maths

There are 12 balls in a bag, where n of them are white balls. If 2 balls are chosen at random from the bag without replacement, the probability of choosing at least 1 white balls is 19/33. Find n.

asked by Mily on April 30, 2014
13. ## Janine

You order fifteen burritos to go from a Mexican restaurant, eight with hot peppers and seven without. However, the restaurant forgot to label them. If you pick five burritos at random, find the probability of the given event. (Round your answer to three

asked by Janine on December 1, 2014
14. ## math

you plan to survey people to see what percent own their home and what percent rent. tell whether the following will give a random sample. justify ur answer. a you interview people outside a pool supply sotre in the suburbs. b you interview people in the

asked by tannu on September 13, 2008
15. ## Statistics

Determine the Null and Alternative Hypothesis for the following: A.) A company manufactures flares, they select 100 at random to determine if the flares last at least 3 hours on average. B.) A consumer group believes that a new sports coupe gets

asked by Sean on September 20, 2013
16. ## STATISTIC

One of your employees has suggested that your company develop a new product. You decide to take a random sample of your customers and ask whether or not there is interest in the new product. The response is on a 1 to 5 scale with 1 indicating "definitely

asked by YOMO on May 27, 2017
17. ## Statistics

during the month of July, an auto manufacturer gives its production employees a vacation period so it can tool up for the new model run. In surveying a simple random sample of 200 production workers, the personnel director finds that 38% of them plan to

asked by Samantha on July 26, 2009
18. ## math

Duke Maverick worked for a packaging company. One Day, Duke received four separate orders and acidentally mixed up the addresses, so he applied the address labels at random, what is the probability that exactly three packages were correctly labeled? If

asked by Nina on February 22, 2007
19. ## statistics

during the month of July, an auto manufacturer gives its production employees a vacation period so it can tool up for the new model run. In surveying a simple random sample of 200 production workers, the personnel director finds that 38% of them plan to

asked by Samantta on July 29, 2009
20. ## Statistics

The mean grade in this class last semester was 78.3, and the variance was 49 . The distribution of grades was unimodal and symmetrical. Using this information determine the probability that “Joe”, a random student you know nothing about, other than the

asked by Francisco on February 25, 2016
21. ## Math

Needing some help with how to set up the problem please. Thank you. Rashida has 3 blouses: red, white, and pink. She has 2 skirts: blue and black. She has 2 pairs of shoes: red and white. What is the probability that Rashida selects an outfit at random

asked by Steve on March 6, 2018
22. ## Research Methods

A researcher wants to obtain a random sample of the 800 cows from a local farm. He decides to ask the farmer to give him the ear tag numbers of 100 cows he can use in his study. The researcher puts these tag numbers into a hat and randomly chooses 40 to

asked by Jill on October 15, 2011
23. ## Statistics

In a certain city of several million people, of the adults are unemployed. If a random sample of adults in this city is selected, approximate the probability that at least in the sample are unemployed. Use the normal approximation to the binomial with a

asked by Wendy on March 1, 2014
24. ## Information Technology (2 Qs)

1) Order the following components in order of their speed starting from the fastest, and ending with the slowest: CD, Random Access Memory (RAM), Tape, Cache. 2) A computer system may have an extremely fast process, and extremely fast memory, yet the

asked by nutz on January 8, 2013
25. ## Statistics

Given that the Number of Grantees of a Driver's License in a small country in the month of April are .... 1,200 for professionsl 3,350 for non-professional 2,450 for students If you want to make a study of the correlation between driving habits and number

asked by Bianca on September 2, 2012
26. ## Math/Statistics

According to the U.S. census bureau, the total 2008 U.S. population was 303,824,640. The chart below summarizes the 2008 population for five U.S. States: Missouri 5,911,605 Pennsylvania 12,448,279 Tennessee 6,214,888 Utah 2,736,424 Washington 6,549,224

asked by Rodney on May 1, 2011
27. ## statistics

you are asked to estimate the average weight of an adult male passenger for a study to maximize the number of seats in a certain airplane. you collect random weights of 1000 men passengers from a population of 100,000. you find that the average man in the

asked by KK on December 19, 2011
28. ## Math

A box of jelly bears contains 52 jelly bears which 19 are white, 10 are brown, 7 are pink, 3 are purple, 5 are yellow, 2 are orange, and 6 are green. In how many ways can you select 9 pieces of candy at random from the box without replacement if 3 white

asked by Therese on February 21, 2013
29. ## Maths A

A tyre manufacturer has chosen 48 tyres at random from a production line and issued them to taxis for testing. Assume that the 48 numbers you have selected refer to the number of thousands of kilometres travelled during the life of each tyre. (For example,

asked by Anna on February 25, 2013
30. ## statistics

A random sample of 51 of the largest companies in the united states gave the following P/e ratios 11 35 19 13 15 21 40 18 60 72 9 20 29 53 16 26 21 14 21 27 10 12 47 14 33 14 18 17 20 19 13 25 23 27 5 16 8 49 44 20 27 8 19 12 31 67 51 26 19 18 32 Use a

asked by Anonymous on June 11, 2011
31. ## Statistics

For the manufacturing plant discussed in Exercise 8.10, the union president and the human resources director jointly select a simple random sample of 36 employees to engage in a discussion with regard to the company’s work rules and overtime policies.

asked by Lina on July 22, 2009
32. ## MATHS A

A tyre manufacturer has chosen 48 tyres at random from a production line and issued them to taxis for testing. Assume that the 48 numbers you have selected refer to the number of thousands of kilometres travelled during the life of each tyre. (For example,

asked by Anna on February 25, 2013
33. ## statistics

A random sample of 51 of the largest companies in the united states gave the following P/e ratios 11 35 19 13 15 21 40 18 60 72 9 20 29 53 16 26 21 14 21 27 10 12 47 14 33 14 18 17 20 19 13 25 23 27 5 16 8 49 44 20 27 8 19 12 31 67 51 26 19 18 32 Use a

asked by Anonymous on June 11, 2011
34. ## Maths

A tyre manufacturer has chosen 48 tyres at random from a production line and issued them to taxis for testing. Assume that the 48 numbers you have selected refer to the number of thousands of kilometres travelled during the life of each tyre. (For example,

asked by Bella on March 12, 2013
35. ## Statistics

A random sample of 51 of the largest companies in the united states gave the following P/e ratios 11 35 19 13 15 21 40 18 60 72 9 20 29 53 16 26 21 14 21 27 10 12 47 14 33 14 18 17 20 19 13 25 23 27 5 16 8 49 44 20 27 8 19 12 31 67 51 26 19 18 32 Use a

asked by Anonymous on June 11, 2011
36. ## Statistics

A random sample of 51 of the largest companies in the united states gave the following P/e ratios 11 35 19 13 15 21 40 18 60 72 9 20 29 53 16 26 21 14 21 27 10 12 47 14 33 14 18 17 20 19 13 25 23 27 5 16 8 49 44 20 27 8 19 12 31 67 51 26 19 18 32 Use a

asked by Anonymous on June 11, 2011
37. ## Math

An ordinary (fair) die is a cube with the numbers 1 through 6 on the sides (represented by painted spots). Imagine that such a die is rolled twice in succession and that the face values of the two rolls are added together. This sum is recorded as the

asked by Anonymous on May 24, 2014
38. ## Maths

A tyre manufacturer has chosen 48 tyres at random from a production line and issued them to taxis for testing. Assume that the 48 numbers you have selected refer to the number of thousands of kilometres travelled during the life of each tyre. (For example,

asked by Anna on March 12, 2013
39. ## statistics

The average age of doctors in certain hospital is 43 years old. Suppose distribution of ages is normal and the standard deviation is 8.0 years. If 25 doctors is chosen at random for a committee, find the probability the average age for those doctors is

asked by stuart joel on March 11, 2015
40. ## fnu

The average age of doctors in a certain hospital is 50.0 years old. Suppose the distribution of ages is normal and has a standard deviation of 4.0 years. If 16 doctors are chosen at random for a committee, find the probability that the average age of those

asked by giovanny on June 10, 2014
41. ## statistics

suppose we selected a random sample of five woman from our school measure the height of each and calculated the sample mean if we wished to know whether the height of woman at our school is typical of height of women inourtown how should we compare our

asked by rhonda on July 27, 2011
42. ## math

In a population of 10,000 adults, 20% are smokers. A simple random sample of 600 of the adults is drawn. a)The SE of the number of smokers in the sample is closest to 9.45 9.5 9.55 9.6 9.65 9.7 9.75 9.8 9.85 9.9 b)The chance that there are fewer than 115

asked by tms on May 19, 2013
43. ## Math

A class is made up of 10 boys and 2 girls. Half of the boys wear glasses. A student is selected at random from the class. What is the probability that the student is a boy with glasses? My Question is, I don't know how to do Probability.

asked by Emily on April 27, 2009
44. ## statistics

A random sample of 84 shoppers were interviewed and 51 said they prefer to shop alone rather than with someone such as friends or family. Let p represent the proportion of all shoppers at this mall who would prefer to shop alone. Find a point estimate for

asked by Anonymous on August 17, 2012
45. ## Intro toEpidemiology and health data anaysisl

If the mean number of cigarettes smoked by pregnant women is 12 and the standard deviation is 8, find the probability that in a random sample of 100 pregnant women the mean number of cigarettes smoked will be greater than 20. What does this mean (within

asked by Octavia on November 20, 2014
46. ## statistics

twenty percent of drivers drining between 11pm and 3am are drunken drivers. using the binomial probabilities table. fine the problability that in a random sample of 12 drivers drining between 11 pm and 3am , two to four will be drunken drivers

asked by marie on September 25, 2008
47. ## Statistics

The age distribution of students at a community college is given below. Age (years) Number of students (f) 11) Over 35 26 1103 A student from the community college is selected at random. Find the conditional probability that the student is at most 35 given

asked by Kelli on October 1, 2014
48. ## Statistics

Suppose X1;X2;...;X5 is a random sample from a n(0; variance) distribution. define U = X1+X2+X3+X4; V = (X2)^2+(X3)^2+(X4)^2+(X5)^2 and W = U/sqrtV. (a) Name the distribution of U/4 and V/(variance) and give the values of their parameters. (b) (i) Compute

asked by ruth on August 10, 2006
49. ## Probability

1. Jamal writes the letters K-A-N-S-A-S on cards and then places the cards in a hat. What is the probability of picking an N? (1 point) one-sixth start fraction 1 over 5 end fraction Start Fraction 5 over 1 End Fraction The fraction is 6 over 1. 2. Justin

asked by help pleas on April 11, 2018
50. ## Probability

Grace has 2 yellow balloons and 3 red balloons. Her brother, Caleb, is going to pop two of the balloons at random. What is the probability that he pops one of the yellow balloons and one of the red balloons?

asked by PT on March 5, 2018
51. ## Math

Two group of male students cost their past on a particular proposal.the result are as follows: Group infavour against A 128 32 B 96 48 if a student in favour of proposal is selected for a post. What is the probability that he is from group A ? if a student

asked by Johnson on February 4, 2012
52. ## statistics

At a large publishing company, the mean age of proofreaders is 36.2 years, and the standard deviation is 3.7 years. If a random sample of 15 proofreaders is selected, find the probability that the mean age of the proofreaders in the sample will be between

asked by Cindy on October 22, 2010
53. ## Math

Two group of male students cost their past on a particular proposal.the result are as follows: Group infavour against A 128 32 B 96 48 if a student in favour of proposal is selected for a post. What is the probability that he is from group A ? if a student

asked by Johnson on February 4, 2012
54. ## Probability

Two group of male students cost their past on a particular proposal.the result are as follows: Group infavour against A 128 32 B 96 48 if a student in favour of proposal is selected for a post. What is the probability that he is from group A ? if a student

asked by Johnson on February 4, 2012
55. ## statics

Suppose we want to estimate the average number of purchases in a given hour in a local convenience store. Using this example, describe in your own words how you would go about determining this average through: a. Drawing a random sample b. Drawing a

asked by Anonymous on March 23, 2012
56. ## statistics

Two group of male students cost their past on a particular proposal.the result are as follows: Group infavour against A 128 32 B 96 48 if a student in favour of proposal is selected for a post. What is the probability that he is from group A ? if a student

asked by Johnson on February 4, 2012
57. ## Statistics and Probability

Alice has two coins. The probability of Heads for the first coin is 1/4, and the probability of Heads for the second is 3/4. Other than this difference, the coins are indistinguishable. Alice chooses one of the coins at random and sends it to Bob. The

asked by Anonymous on November 4, 2018

Which events are NOT independent? Landing on heads after tossing a coin and rolling a 3 on a 6- sided number cube Choosing a marble from a jar and landing on tails after tossing a coin Choosing a 5 from a deck of cards replacing it and then choosing an ace

asked by Priscilla on May 14, 2015
59. ## Probability Distribution

An urn has fifteen red balls and nineteen white balls. Three balls are selected at random and the number of red balls are observed. Find the probability distribution for Number of Red Balls: 0 = 1 = 2 = 3 =

asked by F0reveryoung on April 7, 2012
60. ## Math

"A players shuffles 7 red cards and 3 green cards into a random order then places them in a line. If all green cards are net to each other, he wins £10. If all are apart, he wins £2. Otherwise he wins nothing. Find the price up to which the player would

asked by Americano on October 31, 2014
61. ## Probability

Given additional information that 56% of the total employees in the company are male and 50% of them are employees who have been working less than 5 years. If an employee selected at random is known to have been working for 5 years or more, what is the

asked by Joe on October 20, 2009
62. ## statistics

According to the MIT Airline Data Project, American Airlines controlled 15.5% of the domestic market in 2010. A random sample of 125 domestic passengers that year was selected. Using the normal approximation to the binomial distribution, what is the

asked by james on July 20, 2014
63. ## statistics

A university has 1000 computers available for students to use. Each computer has a 250 gigabyte hard drive. The university wants to estimate the space occupied on the hard drives. A random sample of 100 computers showed a mean of 115 gigabytes used with a

asked by Anonymous on October 20, 2013
64. ## statistics

the dean of admissions in a large university has determined that the scores of the freshman class in a mathematics test are normally distributed with a mean of 86 and a standard deviation of 11. A sample of 50 students is selected at random from the entire

asked by Pat on March 26, 2012

You chose a simple random sample of 300 guests you develop a 95 percent confidence interval estimate you found the following 325 and 32 determine the standard error of the sampling distribution determine the critical value z from the standard normal table

asked by Kim on August 14, 2016
66. ## statistics

In this summer school class there are 28 male students and 15 female students. An experiment is done that consists of selecting a student at random, and recording their gender. This is done 4 times WITH REPLACEMENT. 1) Fill in the following probability

asked by david on July 9, 2011
67. ## maths-statistic

A manufacturer wants to assess the proportion of defective items in a large batch produce by a particular machine. He tests a random sample of 300 items and finds that 45 items are defective. If 200 such tests are performed and a 95% confidence interval

asked by shasha on February 15, 2011
68. ## Marketing

Assume that previous fast-food research has shown that 80 percent of the consumers like curly French fries. The researcher wishes to have a standard error 6 percent or less and be 95 percent confident of an estimate to be made about curly French fry

asked by Donna on March 25, 2013
69. ## statistic

Assume that previous fast-food research has shown that 80 percent of the consumers like curly French fries. The researcher wishes to have a standard error 6 percent or less and be 95 percent confident of an estimate to be made about curly French fry

asked by Donna on March 25, 2013
70. ## Bayes' Theorem

Help!!! I'm not really good at Bayes' Theorem. Can you please walk me through. In the current second year class of a top ranked US university, all students come from three states in the US . Kansas, Illinois, and Ohio supply respectively 40%, 50%, and 10%

asked by Denise on June 11, 2015
71. ## statistics

An internet supplier of refilled ink cartridges for ink jet printers sold cartridges to 30,000 customers over the past two months. A random sample of 1000 of those customers revealed that 18% were not happy with their purchase. The margin of error was 2%.

asked by Anonymous on February 5, 2012
72. ## Statistics

Assume the wait time to see a cardiologist at a certain clinic are uniformly distributed between 7 minutes and 23 minutes. Calculate the probability a randomly selected patient waits at least 18 minutes to see the cardiologist. The random variable, Z, is

asked by Bill on March 26, 2013
73. ## math

Given a standard deck of 52 cards, what is the probability that two cards drawn at random will have the same rank? Note that first card drawn is not added back into the deck when the second card is drawn.

asked by Beatriz on January 26, 2016

What is true of a random sample? A) it is the only way to sample a population. B)Each member of the sample is a volunteer. C) It is always the easiest way to sample a population. D) Each member of the population has an equal chance of being selected. MS.

asked by Liz on May 5, 2017
75. ## math

A draw contains 3 black socks and 2 white socks. A sock isdrawn at random and then replaced. Find each probability. p(2 black) p(black, then white) p(white, then black) p(2white)

asked by sherry on October 28, 2011
76. ## statistics

In class of 125 students, 70 students passed in Math, 56 students passed in Statistics, and 30 passed in both. The probability that a student selected at random from the class, has passed in only one subject is

asked by Anonymous on March 22, 2012
77. ## Statistics Question

I have two questions related to moment generating functions. I can't find any sort of examples or explanations in my book... 1) Calculate P(X

asked by Jillian on November 24, 2007
78. ## statistics

According to a survey, 21% of motorists in a large city are uninsured. Suppose that currently 21% of all motorists in this city are uninsured. Two motorists are selected at random from this city. Let x denote the number of motorists in this sample of two

asked by Anonymous on October 10, 2016
79. ## Stats

A random sample of two hundred fifteen adults is selected from a certain population of registered voters. Assume the population is 20% democrats. Use a normal approximation to estimate (a) the probability the sample contains exactly 48 democrats, and (b)

asked by Chris on October 21, 2010
80. ## Statistics

Given that x is a normally distributed random variable with a mean of 28 and a standard deviation of 7, find the following probability: P(x

asked by Anonymous on October 9, 2012
81. ## math

A box contains three white balls and two red balls. A ball is drawn at random from the box and not replaced. Then a second ball is drawn from the box. Draw a tree diagram for this experiment and find the probability that the two balls are of different

asked by Diana on December 27, 2010
82. ## statistics

Assume we draw a simple random sample from a population having a mean of 100 and a standard deviation of 16. What is the probability that a sample mean will be within plus-or-minus two of the population mean for each of the following sample sizes? (a.) n =

asked by Desire on December 2, 2009
83. ## Statistics

T-Test The article “Does Smoking Cessation Lead to Weight Gain?” described an experiment in which 322 subjects, selected at random from those show successfully participated in a program to quit smoking were weighed at the beginning of the program and

asked by Peter on March 18, 2010
84. ## stats

A random sample of 40 men drank an average of 20 cups of coffee per week during examination final, with the population standard deviation equal to 6 cups. A lower limit of an approximate 95% confidence interval the population average cup of coffee is (1)

asked by cindy on March 31, 2010
85. ## Math- Statistics

An epidemiologist is planning a study on the prevalence of oral contracep- tive use in a certain population. She plans to choose a random sample of n women and to sue the sample proportion of oral contraceptive users (pˆ) as an estimate of the population

asked by Needs Help on May 4, 2014
86. ## stats

Consumer Reports rated airlines and found that 80% of the flights involved in the study arrived on time (that is within 15 minutes of scheduled arrival time). Assuming that the on-time arrival rate is representative of the entire commercial airline

asked by Mary on May 7, 2017
87. ## Statistics

Employees in a large computer firm claim that the mean salary of the firm’s programmers is less than that of its competitors. The competitor’s salary is \$47,000. A random sample of 30 of the firm’s programmers has a mean salary of \$46,500 with a

asked by Kelly on June 7, 2011
88. ## statistics

Employees in a large computer firm claim that the mean salary of the firm’s programmers is less than that of its competitors. The competitor’s salary is \$47,000. A random sample of 30 of the firm’s programmers has a mean salary of \$46,500 with a

asked by Eric on June 6, 2011
89. ## Stats

Determine the following random variables discrete or continuous: a)Number of fish I caught during 2 hours? I said: discrete b)Temperature of a coffee cup? I said: continuous c)Height of a 2-year-old maple tree? I said: continuous d) Number of credit cards

asked by Ashley on February 8, 2014
90. ## statistics

Employees in a large computer firm claim that the mean salary of the firm’s programmers is less than that of its competitors. The competitor’s salary is \$47,000. A random sample of 30 of the firm’s programmers has a mean salary of \$46,500 with a

asked by Shawnie on June 14, 2011
91. ## Statistics

Shown below are the data giving the length of life of lights in an underground tunnel. 9.0 months 7.0 months 8.2 months 8.3 months 7.8 months 8.1 months 7.5 months 7.6 months 9.1 months 7.4 months I calculated the standard deviation to be about 0.679.

asked by Joy on January 22, 2012
92. ## science

Shown below are the data giving the length of life of lights in an underground tunnel. 9.0 months 7.0 months 8.2 months 8.3 months 7.8 months 8.1 months 7.5 months 7.6 months 9.1 months 7.4 months I calculated the standard deviation to be about 0.679.

asked by Joy on January 22, 2012
93. ## Statistics

1. A simple random sample of FICO credit rating scores is listed below: 714 751 664 789 818 779 698 836 753 834 693 802 a. Find range, variance, and standard deviation. b. As of this writing, the mean FICO score was reported to be 678. Based on these

asked by Shannon on October 5, 2013
94. ## statistics

twenty light bulbs are tested three light bulbs fail the test. two light bulbs are selected at random without replacement from this collection of bulbs find the probablilty that both light bulbs failed the test. round the answer 3 decimals places

asked by bernie on July 29, 2016
95. ## statistics

a random sample of 80 college students was selected to participate in a experiment. the mean of the sample is 317 points, the standard deviation of 37 there are 310 students that didn't complete the experiment 1. compute the appropriate test statistic? 2.

asked by Anonymous on July 11, 2012
96. ## statistics

a random sample of 100 college students is taken from the student body of a large university. assume that a population mean of 20 hours and a population standard deviation of 15 hours describes the weekly study estimates for the entire student body. About

asked by jc on June 27, 2010
97. ## statistics

The mean of math SAT scores is 500 and the standard deviation is 100. A random sample of 64 students from Leeds H.S. received an average of 480. Conduct a hypothesis test to determine if the population mean SAT score for Leeds H.S. is less than 500 with

asked by lola on April 19, 2012
98. ## Statstics

According to a survey by Topez Enterprises, a travel auditing company the avg error by travel agent is 128. suppose this figure was obtained from random sample of 41 travel agent & standard dervivation is 21. What is the point estimate of the national avg

asked by Karan on August 28, 2016
99. ## Statistics

The following is a histogram (right skewed) of the first ten terms of a geometric distribution with p = .4. The mean of this distribution is 2.5 and the standard deviation is approximately 1.93. What's the shape of the distribution of sample means for

asked by Jim on February 18, 2016
100. ## math

luis has a deck of ten cards with theres numbers 1,3,5,7,9,11,13,15,17,19.luis will draw a card at random from the deck.name an event for which there is a problity of 1/2 that it will happen.name an event for which this is a problity of the that will

asked by sasha michal on January 12, 2012