The mailing list of an agency that markets scuba-diving trips to the florida keys contains 55% males and 45% females. the agency calls 29 people chosen at random from its list.
(a) what is the probability that 17 of the 29 people are men?
(use the binomial probability formula. round your answer to four decimal places.)
(b) what is the probability that the first woman is reached on the 7th call?
(that is, the first 7 calls give f. round your answer to four decimal places.)