On average, it takes a shoe factory 21 minutes, with a standard deviation of 3 minutes, to manufacture a pair of running shoes. How often will it take the factory more than 27 minutes to manufacture a pair of running shoes? Note: Assume that a Normal model is appropriate for the distribution of manufacturing times.
A.
It takes the factory more than 27 minutes to manufacture a pair of running shoes about 47.5% of the time.

B.
It takes the factory more than 27 minutes to manufacture a pair of running shoes about 2.5% of the time.

C.
It takes the factory more than 27 minutes to manufacture a pair of running shoes about 95% of the time.

D.
It takes the factory more than 27 minutes to manufacture a pair of running shoes about 5% of the time.