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Find the probability that the average price

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The average price of a college math textbook is $170 and the standard deviation is $29. Suppose that 49 textbooks are randomly chosen. Round all answers to 4 decimal places where possible.

-What is the distribution of x¯? x¯ ~ N( , )

-For the group of 49, find the probability that the average price is between $167 and $173. ( )

-Find the third quartile for the average textbook price for this sample size.( ) $ (round to the nearest cent).

-For part b), is the assumption that the distribution is normal necessary? No or Yes

Reference no: EM132856039

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