Nike's annual report says that the average American buys 6.5 pairs ofsports shoes per year. Suppose a sample of 61 customers is surveyed andthe population standard deviation of sports shoes purchased per year is 2.1.a. What is the standard error of the mean in this experiment?b. What is the probability that the sample mean is between 6 and 7 pairs of sports shoes?c. What is the probability that the difference between the sample mean and the population mean is less than 0.35 pair?d. What is the likelihood the sample mean is greater than 7 pairs? 05. Nike's annual report says that the average American buys 6.5 pairs ofsports shoes per year. Suppose a sample of 61 customers is surveyed andthe population standard deviation of sports shoes purchased per year is 2.1.a. What is the standard error of the mean in this experiment?b. What is the probability that the sample mean is between 6and 7 pairs of sports shoes?c. What is the probability that the difference between thesample mean and the population mean is less than 0.35 pair?d. What is the likelihood the sample mean is greater than 7pairs?

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MATLAB: An Introduction with Applications

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ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

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Nike's annual report says that the average American buys 6.5 pairs of sports shoes per year. Suppose a sample of 61 customers is surveyed and the population standard deviation of sports shoes purchased per year is 2.1. a. What is the standard error of the mean in this experiment? b. What is the probability that the sample mean is between 6 and 7 pairs of sports shoes? c. What is the probability that the difference between the sample mean and the population mean is less than 0.35 pair? d. What is the likelihood the sample mean is greater than 7 pairs?

05. Nike's annual report says that the average American buys 6.5 pairs of
sports shoes per year. Suppose a sample of 61 customers is surveyed and
the population standard deviation of sports shoes purchased per year is 2.1.
a. What is the standard error of the mean in this experiment?
b. What is the probability that the sample mean is between 6
and 7 pairs of sports shoes?
c. What is the probability that the difference between the
sample mean and the population mean is less than 0.35 pair?
d. What is the likelihood the sample mean is greater than 7
pairs?

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