Question

The number of chocolate chips in a bag of chocolate chip cookies is approximately normally distributed with a mean of 1262 chips and a standard deviation of 118 chips.

A. About how many percent of the cookie bags are in between 1200 and 1300 chips.

B. Determine the 30th percentile for the number of chocolate chips in a bag.

C. Determine the minimum number of chocolate chips in a bag that make up the middle 95 % of bags.

D. Determine the maximum number of chocolate chips in a bag that make up the middle 97 % of bags.

Answer 1