Suppose the Time It Takes for a Purchasing Agent to Complete

Suppose the time it takes for a purchasing agent to complete an online ordering
Process is normally distributed with a mean of 8 minutes and a standard deviation of 2
Minutes. Suppose a random sample of 25 ordering processes is selected. What is the
Probability that the sample mean will be less than 7.5 minutes?

A) .3944
B) .1056
C) .2114
D) .4013
E) .8944