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Need some Statistic People in here! Pronto!

No.91292 ViewReplyOriginalReport
need some help with this problem.

Suppose that past history shows that 5% of college students are sports fans. A sample of 10 students is to be selected.
(a) Find the probability that exactly 1 student is a sports fan.
(b) Find the probability that at least 1 student is a sports fan.
(c) Find the probability that at most 1 student is a sports fan.