The average price of a college math textbook is $171 and the standard deviation is $23. Suppose that 6 textbooks are randomly chosen. Round all answers to 4 decimal places where possible. Find the...

The average price of a college math textbook is $171 and the standard deviation is $23. Suppose that 6 textbooks are randomly chosen. Round all answers to 4 decimal places where possible.

1. Find the 95th percentile for an individual textbook price. (round to the nearest cent) $


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