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Math Help - Rotten Eggs

  1. #1
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    Rotten Eggs

    I'm having trouble with this example in the book (I'm reviewing for an exam)... How do I go about solving it? Thanks in advance.

    Let 12 eggs be given - 2 rotten, 10 good. Choose 4 randomly all at once. X = # of rotten eggs amongst the 4 chosen. Find and simplify to a fraction in lowest terms the expected value E[x].
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  2. #2
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    Quote Originally Posted by mhitch03 View Post
    I'm having trouble with this example in the book (I'm reviewing for an exam)... How do I go about solving it? Thanks in advance.

    Let 12 eggs be given - 2 rotten, 10 good. Choose 4 randomly all at once. X = # of rotten eggs amongst the 4 chosen. Find and simplify to a fraction in lowest terms the expected value E[x].
    Use the fact that X follows a Hypergeometric distribution.
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