Question

The average price of a college math textbook is $162 and the standard deviation is $25. Suppose that 11 textbooks are randomly chosen. Round all answers to 4 decimal places where possible.

  1. Find the third quartile for the average textbook price for this sample size. $ (round to the nearest cent)
  2. For part b), is the assumption that the distribution is normal necessary? NoYes

 

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