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OpenStudy (anonymous):
in a lottery, each ticket buyer has a 1 out of 10 chance of winning a prize. If Chip buys 10 tickets, what is the probability that he will win at least 1 prize?
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OpenStudy (anonymous):
Prob(He wins at least 1 prize) = 1 - Prob(He wins no prizes) = 1 - (9/10)^10 = 0.651 rounded 3 places or about 65.1%
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