1 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: Ansume 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
3. 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.
You