Answer
P(Middle wheel has cherries) = 9/20
P(Left Wheel has cherries) = 1/20
P(Right Wheel has cherries) = 1/20
P(Win the Jackpot) = 9/20 x 1/20 x 1/20
= 0.001125
Work Step by Step
P(Middle wheel has cherries) = 9/20
P(Left Wheel has cherries) = 1/20
P(Right Wheel has cherries) = 1/20
P(Win the Jackpot) = 9/20 x 1/20 x 1/20
= 0.001125