Consider the Following to Answer the Question(s) Below

Multiple Choice

Consider the following to answer the question(s) below:
At a local manufacturing plant, employees must complete new machine set-ups within 30 minutes. New machine set-up times can be described by a Normal model with a mean of 22 minutes and a standard deviation of four minutes.
-What percent of new machine set-ups take more than 30 minutes?

A) 97.72%
B) 47.72%
C) 2.28%
D) 52.28%
E) 50%