Suppose an experiment consists of tossing a fair coin until three heads occur. what is the probability that the experiment ends after exactly six ips of the coin with a head on the fth toss as well as on the sixth?

Darcy deposited $390 into a savings account. as long as the account balance remains at or above $150, she does not have to pay a service fee for the account. for how many months can she withdraw $40 a month without having to pay service fees? a) 3 b) 5 c) 6 d) 9