An Airline Knows from Experience That the Distribution of the Number

Multiple Choice

An airline knows from experience that the distribution of the number of suitcases that get lost each week on a certain route is approximately normal with $\mu$ = 15.5 and $\sigma$ = 3.6. What is the probability that during a given
Week the airline will lose more than 20 suitcases?

A) 0.1056
B) 0.3944
C) 0.4040
D) 0.8944