SOLUTION: Some slot machines in Nevada have three wheels that spin when you pull the arm. To win, each wheel must show a picture of an apple when they stop. Each wheel has 20 pictures on it.

Algebra ->  Probability-and-statistics -> SOLUTION: Some slot machines in Nevada have three wheels that spin when you pull the arm. To win, each wheel must show a picture of an apple when they stop. Each wheel has 20 pictures on it.      Log On


   



Question 829752: Some slot machines in Nevada have three wheels that spin when you pull the arm. To win, each wheel must show a picture of an apple when they stop. Each wheel has 20 pictures on it. Wheel 1 has 5 apples, wheel 2 has 3 apples on it, wheel 3 has 2 apples on it. What is the probability that you will win on the first pull?
do i use this formula.... n!/(n-r)!r! ?

Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
5/20 * 3/20 * 2/20
= 1/4 * 3/20 * 1/10
= 3/800
.
Ed