A National Manufacturer of Unattached Garages Discovered That the Distribution

Multiple Choice

A national manufacturer of unattached garages discovered that the distribution of the lengths of time it takes two construction workers to erect the Red Barn model is normally distributed with a mean of 32 hours and a standard deviation of 2 hours.What percent of the garages take between 30 and 34 hours to erect?

A) 16.29%
B) 76.71%
C) 3.14%
D) 34.13%