According to a recent survey, about 45% of adults reported that the most helpful method to achieve a goal is to share their goal with friends and ask them for support. Let S be the event that an adult feels sharing with friends is the most helpful method to achieve a goal. If a random sample of 5 adults is selected:

A.) Find the probability of the sequence SFFSF

B.) Find the probability of exactly 2 S's in 5 trials.

C.) Find the probability of exactly 3 S's in 5 trials.