Answer to Question #124510 in Statistics and Probability for lawrence

Question

Rene is a soccer player who takes 8 independent free shots per game, with a probability of 0.7 of getting a medal on each successful shot, what is the expected number of medals that she gets?

Answer 1

This is a binomial distribution as probability of success is given (p) =0.7, there only two outcomes and there a fixed number of trials (n) = 8.

Expected value in a binomial is given by np =8*0.7 = 5.6