The time it takes to process phone orders in a small florist/gift shop is normally distributed with a mean of 6 minutes and a standard deviation of 1.24 minutes
a) What cut off value would separate the 2.5% of orders that take the most time to process?
B) What cut off value would separate the 16% of orders that take the least time to process
c) What cut off values would separate the 95% of orders that are in the middle of the distribution with respect to processing time?