The capacity of an elevator is 8 people or 1272 pounds. The capacity will be exceeded if 8 people have weights with a mean greater than...

a. Find the probability that if a person is randomly​ selected, his weight will be greater than 159 pounds.

_____

b. Find the probability that 8 randomly selected people will have a mean that is greater than 159 pounds.

c. Does the elevator appear to have the correct weight​ limit? Why or why​ not?

A.

B.

C.

D.