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    carolcheng's Avatar
    carolcheng Posts: 2, Reputation: 1
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    #1

    Dec 11, 2011, 03:32 PM
    probability question
    A fair die is cast 8 times. Calculate the probability of obtaining exactly four 6's.
    ebaines's Avatar
    ebaines Posts: 12,131, Reputation: 1307
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    #2

    Dec 12, 2011, 07:32 AM
    You can solve this by applying the binomial probability formula that I gave you in response to your other post - see: https://www.askmehelpdesk.com/mathem...cs-618837.html

    For this problem the probability of succcess for one throw of the die yielding a 4 is p=1/6. Post back with your answer and we'll check it for you.

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