SOLUTION: Use the at least once rule to find the indicated probability. Find the probability of at least one 3 in 9 rolls of a fair die

Question 753188: Use the at least once rule to find the indicated probability.
Find the probability of at least one 3 in 9 rolls of a fair die
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Find the probability of at least one 3 in 9 rolls of a fair die
Binomial Problem with n = 9 and p(x=3) = 1/6 ; p(x # 3) = 5/6
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P(at least one 3 when n = 9)
= 1 - P(no 3's in 9)
= 1 - (5/6)^9
= 0.8062
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Cheers,
Stan H.
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