National Geographic sells a considerable number of copies. Its demand for the September issue is forecasted to be normally distributed with a mean of 100 and a standard deviation of 40. If the Suffolk Bookstore stocks 100 copies, how many copies can they expect to return to the publisher at the end of the month?

Answer rating: 100% (QA)

To calculate the number of copies that the Suffolk Bookstore can expect to return to the publisher a... View the full answer