SOLUTION: Four cards drawn from standard denk of cards.Each card is replaced before the next one is drawn .Find each probability.
P(at most 1 jack)
P(4 jacks )
P(exactly 3 jacks)
Ple
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Question 481759: Four cards drawn from standard denk of cards.Each card is replaced before the next one is drawn .Find each probability.
P(at most 1 jack)
P(4 jacks )
P(exactly 3 jacks)
Please ! help I'm stuck
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Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Four cards drawn from standard denk of cards.Each card is replaced before the next one is drawn .Find each probability.
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Binomial Problem with n = 4 and p = 4/52 = 1/13
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P(at most 1 jack) = P(x=0)+P(x=1) = (12/13)^4 + 4(1/13)(12/13)^3 = 0.7383
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P(4 jacks ) = (1/13)^4
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P(exactly 3 jacks) = 4C3(1/13)^4*(12/13) = 0.0469
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Cheers,
Stan H.
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