Acommunity swim team has 160 members. seventy of the members are advanced swimmers. forty-eight of the members are intermediate swimmers. the remainder are novice swimmers. fifty of the advanced swimmers practice four times a week. thirty-eight of the intermediate swimmers practice four times a week. twelve of the novice swimmers practice four times a week. suppose one member of the swim team is chosen randomly.
(a) what is the probability that the member is a novice swimmer?
(b) what is the probability that the member practices four times a week?
(c) what is the probability that the member is an advanced swimmer and practices four times a week?
(d) what is the probability that a member is an advanced swimmer and an intermediate swimmer?
(e) are being an advanced swimmer and an intermediate swimmer mutually exclusive?
(f) why or why not? explain.