The average price of a college math textbook is $165 and the standard deviation is $29. Suppose that 41 textbooks are randomly chosen. Round all answers to 4 decimal places where possible. a. What is the distribution of x? x ~ N( b. For the group of 41. find the probability that the

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The average price of a college math textbook is $165 and the
standard deviation is $29. Suppose that 41 textbooks are
randomly chosen. Round all answers to 4 decimal places
where possible.
a. What is the distribution of ? - NO
>
b. For the group of 41, find the probability that the
average price is between $164 and $170.
c. Find the third quartile for the average textbook price
for this sample size. $
(round to the nearest
cent)
d. For part b), is the assumption that the distribution is
normal necessary? No Yes
Transcribed Image Text:The average price of a college math textbook is $165 and the standard deviation is $29. Suppose that 41 textbooks are randomly chosen. Round all answers to 4 decimal places where possible. a. What is the distribution of ? - NO > b. For the group of 41, find the probability that the average price is between $164 and $170. c. Find the third quartile for the average textbook price for this sample size. $ (round to the nearest cent) d. For part b), is the assumption that the distribution is normal necessary? No Yes
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