The probability that a tennis set will go to a tiebreaker is

Last updated: 7/19/2022

The probability that a tennis set will go to a tiebreaker is 16%. In 420 randomly selected tennis sets, what is the mean and the standard deviation of the number of tiebreakers? mean: 67.2; standard deviation: 8.2 mean: 63; standard deviation: 7.51 mean: 67.2; standard deviation: 7.51 mean: 63; standard deviation: 8.2