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    msladydee's Avatar
    msladydee Posts: 1, Reputation: 1
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    #1

    Nov 11, 2007, 01:10 PM
    Calculating Probability
    A jar contains four blue marbles and three white marbles. Three marbles are selected at random without replacement. What is the probability that all three marbles selected will be blue?
    s_cianci's Avatar
    s_cianci Posts: 5,472, Reputation: 760
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    #2

    Nov 11, 2007, 01:26 PM
    Multiply the individual probabilities ; P(1st. One blue)*P(2nd. One blue if the 1st. One was blue)*P(3rd. One blue if the 1st. Two were blue)
    galactus's Avatar
    galactus Posts: 2,271, Reputation: 282
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    #3

    Nov 11, 2007, 01:47 PM

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