The PGA One professional golfer plays best on short-distance holes. Experience has s...

The PGA One professional golfer plays best on short-distance holes. Experience has shown that the numbers x of shots required for 3-, 4-, and 5-par holes have the probability distributions shown in the table:

What is the golfer’s expected score on these holes?

a. A par-3 hole

b. A par-4 hole

c. A par-5 hole