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Asked by Gracy

a die is rolled 7 times. find the probability of getting at least one 3.
14 years ago

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Answered by Reiny
so we exclude the probability of "no 3"

prob of no 3 in 7 tries = (5/6)^7

prob of your event = 1 - (5/6)^7 = .7209
14 years ago
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a die is rolled 7 times. find the probability of getting at least one 3.

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