Saturday
December 10, 2016

Homework Help: Math: Statistics

Recent Homework Questions About Statistics

statistics
why and what dothese answers mean 29th percentil greater than 30th percentile
Friday, October 9, 2015 by laurie parker

Probability and Statistics
In the game of euchre, the deck consists of the 9, 10, jack, queen, king and ace of each suit. Players are dealt a five card hand. What is the probability that a player is dealt 3 hearts?
Thursday, October 8, 2015 by Alissa

Statistics
Do the samples appear to be from the same population? Why or why not? Support your answer with numerical facts and convincing reasons and explanations Chemical distribution stats: Five # summary: (2.29816, 2.29869, 2.299152, 2.30074) Mean: 2.299706 Standard deviation: 0.001313...
Thursday, October 8, 2015 by Ashley

statistics
: Two cards are drawn from a well-shuffledordinary pack of 52 cards. The first card is replaced before selecting the second card. Find the following probabilities. (i) Both are kings (ii) First is king and second is queen (iii) One is King and one is queen (iv) Both are faced ...
Thursday, October 8, 2015 by ahsan

statistics
A student takes an exam containing 14 multiple choice questions. The probability of choosing a correct answer by knowledgeable guessing is 0.5. At least 9 correct answers are required to pass. If the student makes knowledgeable guesses, what is the probability that he will ...
Thursday, October 8, 2015 by donna

statistics
supposed that two balanced dice are rolled. let Y denote the product of the two numbers. use random variable notation to represent the event that the product of the two numbers is greater than 4 a {5,6} b {XY>4} c{Y>4} d P(Y>4)
Wednesday, October 7, 2015 by A

statistics
2. Find the variance and standard deviation of the following sample. 0 -5 -3 6 4 -4 1 -5 0 3
Wednesday, October 7, 2015 by omar

AP Statistics
Do the samples appear to be from the same population? Why or why not? Support your answer with numerical facts and convincing reasons and explanations Chemical distribution stats: Five # summary: (2.29816, 2.29869, 2.299152, 2.30074) Mean: 2.299706 Standard deviation: 0....
Wednesday, October 7, 2015 by Ashley

Statistics
STATISTICS: I'm struggling with how to calculate the following problems: *Assume that X~N(3,1.5) For what value of X is Pr(x<K) = 50% *Assume that X~N(3,1.5) What value of X would be equal to a z-score of -2? *Assume that X~N(3,1.5) Find the 90% percentile *Assume X~N(4...
Wednesday, October 7, 2015 by BONACA

Statistics
1. If P(A) = 0.4 P(B) = 0.2 and P(A or B) = 0.5, find the sum of P(A and B) and P(A|B). -How would I even start this question? 2. Let A and B be two mutually exclusive events for which P(A) = 0.15 and P(B) = 0.3. Find P(A and B). -If it's mutually exclusive, wouldn't ...
Tuesday, October 6, 2015 by Alex

Statistics
According to one survey, the mean serum cholesterol level for U.S. adults was 195.1, with a standard deviation of 41.5. A simple random sample of 95 adults is chosen. Find the 46 percentile for the sample mean. Write only a number as your answer. Round to one decimal places.
Tuesday, October 6, 2015 by Tommy

Statistics
Electricity bills in a certain city have mean $108.73. Assume the bills are normally distributed with standard deviation $10.60. A sample of 47 bills was selected for an audit. Find the 46 percentile for the sample mean. Write only a number as your answer. Round to two decimal...
Tuesday, October 6, 2015 by Tommy

Statistics
A survey among freshman at a certain university revealed that the number of hours spent studying the week before final exams was normally distributed with mean 25 and standard deviation 15. A sample of 36 students was selected. What is the probability that the average time ...
Tuesday, October 6, 2015 by Tommy

Statistics
The mean monthly rent for a one-bedroom apartment without a doorman in Manhattan is $2,651. Assume the standard deviation is $500. A real estate firm samples 100 apartments. What is the probability that the average rent of the sample is more than $2,708? write only a number as...
Tuesday, October 6, 2015 by Tommy

Statistics
Suppose that the weight of male babies less than 2 months old is normally distributed with mean 11.5 pounds and standard deviation 2.7 pounds. A sample of 36 babies is selected. What is the probability that the average weight of the sample is less than 11.07 pounds? Write only...
Tuesday, October 6, 2015 by Tommy

Statistics
I know don't know if this right P(X)<115)= 12.1 (115-mean) how do I get the mean or is there a formula that can help me solve this? A population of line voltages has a standard deviation of 1.20 volts. What value would the mean line voltage have to be so that 12.1% of ...
Monday, October 5, 2015 by Will

bio statistics question!
Does P(x) = x/5, where x can take values of 0, 1, 2, 3, describe a probability distribution? Would the answer be no because when x is 1, 2, or 3 the values become 0.2, 0.4, and 0.6. But in probability distribution the values have to be between 0 and 1?
Monday, October 5, 2015 by maria

Statistics
If you throw a six sided die twice, what is the probability that you will get: (i) A one on the first throw OR a two on the second throw ? (ii) A one on the first toss AND a two on the second toss of the die ?
Monday, October 5, 2015 by michael

Statistics
If 12 women are randomly selected, what is the probability that their mean head circumference is between 21.8 in and 22.8 in.? If this probability is high does it suggest that an order of 12 hats will very likely for each of 12 randomly selected women? Why or why not? Assume ...
Sunday, October 4, 2015 by Kacey

statistics
The number of hours per week that the television is turned on is determined for each family in a sample. The mean of the data is 30 hours and the median is 26.2 hours. Twenty-four of the families in the sample turned on the television for 15 hours or less for the week. The ...
Saturday, October 3, 2015 by Anonymous

Statistics
Types of bonds are divided into three categories: good risk, medium risk, and poor risk. Assume that of a total of 13,838 bonds, 7,035 are good risk, 1,388 are medium risk, and the rest are poor risk. One bond is chosen risk? Write only a number as your answer. Round to two ...
Friday, October 2, 2015 by sam

Statistics
At a local university, when scheduling classes, the probability that there are no evening classes available on a certain day is 0.80. what is that probability that there is at least one evening class available on that day? Write one a number as your answer. Round to two ...
Friday, October 2, 2015 by sam

Statistics
The Probability that a randomly selected commuter listens to audiobooks during their commute is 0.49. Suppose that a sample of 10 commuters is selected, what is the probability that at most 3 of them listen to audiobooks? Write only a number as your answer. Round to 2 decimal ...
Friday, October 2, 2015 by sam

Statistics
At a car rental agency, 0.34 of the cars are returned on time. A sample of 13 car rentals is studied. What is the probability that more than 3 of them are returned on time? Write only a number as your answer. Round to 2 decimal places ( for example: 0.24). Do not write as a ...
Friday, October 2, 2015 by sam

Statistics
In a certain class 27% of the students are left-handed. suppose that a random sample of 53 students is selected. Find the mean number of left-handed students in the class. Round your answer to the nearest integer. Pls help!
Thursday, October 1, 2015 by sam

statistics
The Economic Policy Institute periodically issues reports on wages of entry level workers. The Institute reported that entry level wages for male college graduates were $21.68 per hour and for female college graduates were $18.80 per hour in 2011 (Economic Policy Institute ...
Thursday, October 1, 2015 by gabby

Statistics
In a certain class 27% of the students are left-handed. suppose that a random sample of 53 students is selected. Find the mean number of left-handed students in the class. Round your answer to the nearest integer.
Thursday, October 1, 2015 by Obi

Statistics
At a car rental agency, 0.34 of the cars are returned on time. A sample of 13 car rentals is studied. What is the probability that more than 3 of them are returned on time? Write only a number as your answer. Round to 2 decimal places ( for example: 0.24). Do not write as a ...
Thursday, October 1, 2015 by Obi

Statistics
The Probability that a randomly selected commuter listens to audiobooks during their commute is 0.49. Suppose that a sample of 10 commuters is selected, what is the probability that at most 3 of them listen to audiobooks? Write only a number as your answer. Round to 2 decimal ...
Thursday, October 1, 2015 by Obi

Statistics
The probability that a student uses Smarthinking online tutoring on a regular basis is 0.41. In a group of 21 students, what is the probability that exactly 5 of them use Smarthinking Online Tutoring on a regular basis? Write only a number as your answer. Round to 4 decimal ...
Thursday, October 1, 2015 by Obi

Statistics
An investor is considering an investment in a start-up company. she estimates that she has probability 0.25 of a $ 39,739 loss, probability 0.20 of a $ 19,759 profit, probability 0.15 of a $ 49,068 profit, and probability 0.40 of breaking even (a profit of $0). What is the ...
Thursday, October 1, 2015 by Obi

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: 27 , 363 , 236 , 107...
Thursday, October 1, 2015 by Obi

Statistics
The probability of winning something on a single play at a slot machine is 0.29. After 6 plays on the slot machine, What is the probability of winning at least once? Write only a number as your answer. Round your answer to four decimal places (for example: 0.7319). Do not ...
Thursday, October 1, 2015 by Obi

Statistics
At a local university, when scheduling classes, the probability that there are no evening classes available on a certain day is 0.80. what is that probability that there is at least one evening class available on that day? Write one a number as your answer. Round to two ...
Thursday, October 1, 2015 by Obi

Statistics
A group of freshmen and sophomore students was selected and each was asked whether they were a member of a student club. The following table was constructed: Student Club No Student Club Freshman 4 15 Sophomore 9 7 Find the probability that a randomly selected student form the...
Thursday, October 1, 2015 by Obi

Statistics
Types of bonds are divided into three categories: good risk, medium risk, and poor risk. Assume that of a total of 13,838 bonds, 7,035 are good risk, 1,388 are medium risk, and the rest are poor risk. One bond is chosen risk? Write only a number as your answer. Round to two ...
Thursday, October 1, 2015 by Obi

statistics
if you know the names of the starting batters for a baseball team, what is the probability of randomly selecting a batting order that is used in the beginning of the game
Tuesday, September 29, 2015 by recie yanders

math
Can someone show me how to answer this question? Please? I would really appreciate any help you can give baseball statistics~~ “According to an Associated Press study, the average MLB salary will break the $4 million mark for the first time in 2015, continuing a trend ...
Tuesday, September 29, 2015 by Abby

Statistics (Central Limit Theorem)
Does the central limit theorem apply to non-normally distributed variables? Why?
Tuesday, September 29, 2015 by Zam

math
Can someone show me how to answer this question? Please? I would really appreciate any help you can give baseball statistics~~ “According to an Associated Press study, the average MLB salary will break the $4 million mark for the first time in 2015, continuing a trend ...
Monday, September 28, 2015 by Abby

math
Can someone show me how to answer this question? Please? I would really appreciate any help you can give baseball statistics~~ “According to an Associated Press study, the average MLB salary will break the $4 million mark for the first time in 2015, continuing a trend ...
Monday, September 28, 2015 by Abby

Statistics (Central Limit Theorem)
Does the central limit theorem apply to non-normally distributed variables? Why?
Sunday, September 27, 2015 by Zam

Statistics
The mean salary of 8 employees is $36000 and the median is $32000. This highest-paid employee gets a $2000 raise. What is the new mean salary of the 8 employees? median doesn't change. I just can't figure out the mean. I tried (36000+8000/8) but it wasn't right.
Friday, September 25, 2015 by Anonymous

Statistics
The mean salary of 8 employees is $36000 and the median is $32000. This highest-paid employee gets a $2000 raise. What is the new mean salary of the 8 employees? What is the new median salary of the 8 employees?
Friday, September 25, 2015 by Anonymous

statistics
A study was conducted in which the teachers were asked to rate students for a particular trait on a ten point scale. With the help of data given below find out whether significant difference exists in the rating of the students by the teachers. Teachers Students A B C D E F G ...
Friday, September 25, 2015 by Saju

statistics
With the help of following data, determine both the regression equations Psychology (X): Mean= 30, Standard deviation=1.6 Sociology (Y): Mean= 25, Standard deviation= 1.7 Coefficient of correlation = 0.95
Friday, September 25, 2015 by Saju

statistics
A study was conducted in which the teachers were asked to rate students for a particular trait on a ten point scale. With the help of data given below find out whether significant difference exists in the rating of the students by the teachers.Teachers Students A B C D E F G X...
Friday, September 25, 2015 by Saju

computer programming
Write a C++ pogram for the following Employee Name and 12 months’ salary. Salary starts with $5000 per month and increments every month by 10% of previous month salary. At the end of the year, the employee is paid a 5% bonus on top of the yearly salary. Compute the ...
Tuesday, September 22, 2015 by Gokul

statistics
Pharmaceutical companies advertise for the birth control pill an annual efficacy of 98.6% in preventing pregnancy. However, under typical use the real efficacy is only about 95%. That is, 5% of women taking the pill for a year will experience an unplanned pregnancy that year. ...
Monday, September 21, 2015 by angelica

probability
The National Center for Educational Statistics reported that in 2009 the ACT college placement and admission examination were normally distributed and had a mean of 21.1 and standard deviation of 5.1. A college requires applicants to have an ACT score in the top 20% of all ...
Monday, September 21, 2015 by matt

Business Statistics
The quality control manager at a light bulb factory needs to estimate the mean life of a large shipment of light bulbs. The manufacturer's specifications are that the standard deviations is 100 hours. A random sample of 64 light bulbs indicated a sample mean life of 350 ...
Sunday, September 20, 2015 by Tim

Statistics
b. What is the probability of randomly generating a 7 from the numbers 2 to 12 inclusive?
Sunday, September 20, 2015 by Joe

statistics
suppose that from 8 students, we want to take a committee of students? How many committees of 3 can be selected? How many of 4?
Sunday, September 20, 2015 by Danielle

statistics
what is mock data? And how does it work or what do you do??
Saturday, September 19, 2015 by Anoymous

STATISTICS
Births are approximately uniformly distributed between the 52 weeks of the year. They can be said to follow a uniform distribution from one to 53 (spread of 52 weeks). a. X~ b. Graph the probability distribution. c. f(x)= d. u= e. o= f. Find the probability that a person is ...
Saturday, September 19, 2015 by BORNIUCS

statistics
The cholesterol levels of adult American women has a mound-shaped and symmetric distribution with a mean of 188mg/dL and a standard deviation of 24 mg/dL. In what interval would you expect most American women’s cholesterol levels to be? Explain.
Saturday, September 19, 2015 by katie

Statistics
. Wildlife biologists inspect 153 deer taken by hunters and find 32 of them carrying ticks that test positive for Lyme disease. a) Construct and interpret a 90% confidence interval for the percentage of deer that may carry such ticks. Show all work and formulas. b) If the ...
Wednesday, September 16, 2015 by Cutie patootie

Business statistics
The lifetimes of Triple X TV Tubes are approximately normally distributed with mean 13.2 years and standard deviation 3.5 years. Consider the distribution of sample means for all samples of 100 Triple X TV tubes. Part A What is the standard error, to two decimal places, of the...
Wednesday, September 16, 2015 by Portia

Statistics
Using the empirical rule, 95% of female heights should be between what two values? Either show work or explain how your answer was calculated
Monday, September 14, 2015 by Anonymous

STATISTICS
On average, eight teens in the U.S. die from motor vehicle injuries per day. What is the probability that no teens will die on any given day?
Monday, September 14, 2015 by BONOCARIS

statistics
what does this mean i have to do this in a spreadsheet Descriptive stats for each numeric variable
Sunday, September 13, 2015 by Anoymous

statistics
this is what we are supposed to do to began this paper Create a Microsoft® Excel® spreadsheet with the two variables from your learning team's data set. I understand the spreadsheet I think the variables are employee satisfaction, hours worked per week, and ...
Sunday, September 13, 2015 by Anoymous

Statistics/probability
You are considering two mutual funds for your investment. The possible returns for the funds are dependent on the state of the economy and are given in the accompanying table. State of the Economy Fund A Fund B Good 20% 40% Fair 10% 20% Poor -10% -40% You believe that the ...
Sunday, September 13, 2015 by Eric

statistics
I need to figure out the variables one independent and the other dependent from the data set. I forgot what a data set is and what the variables are I have the paper I m supposed to be looking on for it but have no idea what i m looking for.
Saturday, September 12, 2015 by Anoymous

Statistics
The distribution of heights of women aged 20 to 29 is approximately normal with a mean of 2.8 inches and standard deviation of 2.8 inches. The height (+/- 0.1 inch) of the middle 99.7% falls between a low of ?? inches and a high of ?? inches. Please help on how I set this up ...
Thursday, September 10, 2015 by Angel

statistics
A multiple-choice quiz has 15 questions, each with 4 possible answers of which only 1 is the correct answer. What is the probability that a student gets 7 to 11 correct answer?
Thursday, September 10, 2015 by jean

statistics
A study was conducted in which the teachers were asked to rate students for a particular trait on a ten point scale. With the help of data given below. Find out whether significant difference exist in the rating of the student by the teacher. A B C D E F G X 7 3 7 1 5 5 5 Y 5 ...
Wednesday, September 9, 2015 by Anonymous

statistics
A study was conducted in which the teachers were asked to rate students for a particular trait on a ten point scale. With the help of data given below. Find out whether significant difference exist in the rating of the student by the teacher. A B C D E F G X 7 3 7 1 5 5 5 Y 5 ...
Wednesday, September 9, 2015 by Anonymous

statistics
I have this question which is stumping me and my lecture is little help. For part we have to find the standard error and I have that, well I think I do, and part b and c depend on us getting part a right. Can someone please help me out. The sign on the lift in a building ...
Wednesday, September 9, 2015 by Luci

Statistics
If 50 classes of 20 students are randomly selected, what is the probability that 10 classes have no left handed students? I know it is binomial distribution but i do not get it
Tuesday, September 8, 2015 by Joshua

AP Statistics
The severity of side effects experienced by patients while being treated with a particular medicine is under study. The severity is measured on the scale: none, mild, moderate, severe, very severe. a. Name the variable of interest. b. Identify the type of variable. I answered ...
Tuesday, September 8, 2015 by Anon

Statistics Please Help
Hi Ms. Sue I was wondering if you could give me some advise in doing explain and unexplain variation and least-squares regression line. I know how to compute the numbers, but I am having a problem with: say there is 3.0270, 30.0463 and 33.1120. I sometimes get it right and ...
Tuesday, September 8, 2015 by Mary Ann

statistics
I have this question which is stumping me and my lecture is little help. For part we have to find the standard error and I have that, well I think I do, and part b and c depend on us getting part a right. Can someone please help me out. The sign on the lift in a building ...
Tuesday, September 8, 2015 by Luci

Statistics
Assume that the unit of measure for each of the values in the sample is in dollars. What would be the units of measure for the sample: a) mean? b) range? C) Variance? d) Standard deviation?
Tuesday, September 8, 2015 by Matt

statistics
An online site presented this​ question, 'Would the recent norovirus outbreak deter you from taking a​ cruise?' Among the 34 comma 203 people who​ responded, 66% answered​ 'yes'. Use the sample data to construct a 90​% confidence ...
Monday, September 7, 2015 by Roberts

statistics
need to explain how i obtain the sample size which is 370 here's the rest of the information i don't know how to writ this out? calculate the sample size using 95% CI and 5% margin of error i got sample size 370 but how do i write this out
Monday, September 7, 2015 by Anoymous

statistics
I need help with this I already did it on a calculator but now I don't know how to write the formula out on paper like n= for the population and * this or that I m not sure how to write it out help please how do i write this into a formula confide level 95% margin of error...
Monday, September 7, 2015 by Anoymous

statistics
how do i write this into a formula confide level 95% margin of error 5% population 10,000 sample size 370 like n= and so on i m not sure how to do that
Monday, September 7, 2015 by Anoymous

statistics
According to a certain country's department of education 39.6% of 3-year olds are enrolled in day care. What is the probability that a randomly selected 3-year old is enrolled in day care?
Monday, September 7, 2015 by john

Statistics
A regional manager visits local fast food franchises and evaluates the speed of the service. if the manager receives her meal within 45 seconds, the server is given a free movie-admission coupon. If it takes more than 45 seconds, the server receives nothing. Throughout the ...
Monday, September 7, 2015 by Bea

Statistics (Percentile, Decile, Quartile)
Please refer to the following table: Number of Cellular Phones​  in Household: DECILE 1 - 1.00 2 - 1.00 3 - 1.00 4 - 1.00 5 - 2.00 6 - 2.00 7 - 3.00 8 - 3.00 9 - 4.00 (a) How many cellular phones&​nbsp;does a ...
Sunday, September 6, 2015 by Zam

Statistics
In country A, the In​dex of Qualitative Variat​ion (IQV)for an exhuastiv​e survey of religious&nbs​p;beliefs is 0.25.  For country B, the I​QV ...
Sunday, September 6, 2015 by Zam

Statistics
A list of transactions contains 100 numbers: 60 gains and 40 losses. The gains are positive numbers and the the losses are negative numbers. The units are thousands of dollars. For the 60 gains, the average is 18 and the SD is 7.5. For the losses the average is -20 and the SD...
Thursday, September 3, 2015 by Sarah

statistics
N(0,7.6) Find the proportion of observations that are between -10 and 10. please show your steps
Wednesday, September 2, 2015 by Light yagami

Statistics
In advance of the 1936 Presidential Elections, a magazine titled Literary Digest released the results of an opinion poll predicting that the republican candidate Alf Landon would win by a large margin. The magazine send post cards to approximately 10,000,000 prospective voters...
Friday, August 28, 2015 by Ashley

statistics
p=0.50 the 90% confidence interval for p is?
Wednesday, August 26, 2015 by Anoymous

statistics
a golf ball is selected at random from a golf bag. If the golf bag contains 4 brown balls, 9 yellow balls, and 12 orange balls, find the probability of the following event. probability the ball is brown or yellow?
Tuesday, August 25, 2015 by david

statistics
the mean gas mileage for a hybrid car is 56 miles per gallon suppose that the gasoline mileage is approximately normally distributed of 3.2 miles per gallon what is the probability that a randomly selected hybrid gets more than 62 miles per gallon.
Saturday, August 22, 2015 by Anoymous

STATISTICS
The Erie Run Outlet mall has two NIKE stores, one is on Liberty street and the other on Barnes St. Two stores laid of differently, both owners claim their stores maximizes the amounts customers will impulse purchase. A sample of 10 customers at the Liberty st store revealed ...
Thursday, August 20, 2015 by August

Statistics
Two Boats the Picadilly and the Orange are competing for a spot in the Cup races. They race over a part of the course SEVERAL TIMES. The sample times in minutes for the Picadilly are 12.9, 12.5, 11.0, 13.3, 11.2, 11.4, 11.6, 12.3, 14.2, and 11.3. The sample times for the ...
Thursday, August 20, 2015 by August

statistics
The CEO of ABC manufacturing commissioned a study to look at the differences between the current salaries of her employees by employee job title. There were three job categories: clerical, custodial, and managerial. The study collected current salary data of the three groups ...
Wednesday, August 19, 2015 by elizabeth

Linear Systems and Statistics
A camera store sells 40 pairs of binoculars per week on average with a standard deviation of 6. What is the probability that the store will sell more than 52 pairs binoculars in any week? 8.28% 3.57% 7.24% 2.28% 4.55%
Wednesday, August 19, 2015 by Anonymous

Statistics
The following contingency of frequencies is based on a 5-year study of fire fatalities in Maryland. For purposes of clarity, columns and rows are identified by the letters A-C and D-G, respectively. Blood Alcohol Level of Victim A B C Age 0.00% 0.01-0.09% ¡Ý0.10% ...
Monday, August 17, 2015 by Bea

statistics
4. The Graduate Record Exam (GRE) has a combined verbal and quantitative mean of 1000 and a standard deviation of 200. Scores range from 200 to 1600 and are approximately normally distributed. For each of the following problems: (a) draw a rough sketch, darkening in the ...
Friday, August 14, 2015 by Martin

statistics
Construct a scatterplot. b. Draw a regression line through the data point that “fits” the data points reasonably well. c. Enclose the data points with a ellipse. d. Estimate the direction of the correlation. e. Estimate the strength of the correlation coefficient. 5...
Friday, August 14, 2015 by shiela

Statistics/Binomal
I really need help I do not understand how to start this problem. A machine that manufactures automobile parts produces defective parts 15% of the time. If 7 parts produced by this machine are randomly selected, what is the probability that at least 3 of the parts are ...
Friday, August 14, 2015 by Mary Ann

STATISTICS
According to the DPT of Health Services , 12% of 30-39 have depression. Suppose 3 30-39 year olds are selected randomly what is the probability that all three will have depression.
Thursday, August 13, 2015 by Sean

statistics
Consider the events of drawing an ace, then draw another ace, followed by a queen, one at a time without replacement (from a standard deck of cards). What is the probability of drawing an ace, then another ace, then a queen? please show explanation
Wednesday, August 12, 2015 by CJ

Statistics Please Help
determine the value of C P(-c<z<c)= 0.9736 the two marks that are < have a line under them. Can someone show me how to do this problem. Thank you
Monday, August 10, 2015 by Mary Ann

statistics and probability
Solve for y . -2(y-3)= 5y-29 Simplify your answer as much as possible
Monday, August 10, 2015 by mary

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Homework Help: Math