the probability of winning a carnival game is 15%. Elaine plays 10 times. find the probability that Elaine will win 2 times.

1 answer

this is a binomial result
... win or not win

P(w) = .15 , P(n) = .85

(n + w)^10 ... you want the 3rd term

10C2 * .85^8 * .15^2