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    powerpuff_gal's Avatar
    powerpuff_gal Posts: 11, Reputation: 1
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    #1

    Dec 27, 2010, 05:35 AM
    binomial distribution
    If X ~Bin(12,0.8),find:
    a)P(X=2)
    b)P(X>10)
    HOW HOW HOW TO DO?><
    Capuchin's Avatar
    Capuchin Posts: 5,255, Reputation: 656
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    #2

    Dec 27, 2010, 05:46 AM

    Do you understand what a binomial function represents? Where are you having problems?
    powerpuff_gal's Avatar
    powerpuff_gal Posts: 11, Reputation: 1
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    #3

    Dec 28, 2010, 09:17 AM
    Comment on Capuchin's post
    now my problem is the question given that X~Bin(12,0.8),izzit n=12,p=0.8?? I want to know the information first,if we ady know the all information,we can solve this question easily !so can u help me?thank you!! ~^^
    Capuchin's Avatar
    Capuchin Posts: 5,255, Reputation: 656
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    #4

    Dec 29, 2010, 03:54 PM

    Yes, you're right, n = 12, p = 0.8, does that help you to solve the above questions? What are your thoughts? :)
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