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m_a_m_a [10]
3 years ago
12

A community 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.
Mathematics
1 answer:
telo118 [61]3 years ago
4 0
A) 42/160
B)100/160
C)50/160
D)0/160
E)yes
F) they are both distinguished groups established in the swim team
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