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Eleven athletes are running a race. A gold medal is to be given to the winner, a silver medal is to be given to the second-place finisher, and a bronze medal is to be given to the third-party finisher. Assume that there are no ties. In how many possible ways can the 3 medals be distributed?
in a survey of undergraduate library usage it was found that 76 of seniors 59 of juniors 50 of sophomores and 28 of
If the match ends when one of the teams has scored k more points than the other, find the probability that team 1 wins.
of 43 bank customers depositing a check 18 received some cash back. construct a 90 confidence interval for the
Suppose the lengths of the pregnancies of a certain animal are approximately normally distributes with the mean µ = 296 days and standard deviation σ = 26 days. What is the probability that a random selected pregnancy lasts less than 288 days
the probability of a successful missile launch is 0.9. test launches are conducted until 3 successful launches are
Why is it significant to be familiar with frequency distributions in the business world? Provide examples by using a distribution chart from a set of data.
suppose for each student in a large statistics class you record how far shehe sits from the teacher during a
find the probability density function for a normal random variable with a mean of 15 and a standard deviation of
a simple random sample of 40 salaries of ncaa football coaches has a mean of 415953 and a standard deviation of
Smith Software Inc. is a computer software firm that has grown in size in recent years. To assist in its planning for future growth, you are to determine the trend of the number of accounts based upon the below.
Uising a level of significance of .10, is there evidence that the population mean weight of the hats is greater than 3.5 pounds?
assume a normal distribution. draw a well-labeled curve for each part. round both to two decimal places.a. find
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