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Statistics

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You have a bucket with 3 black balls and 7 red balls. What is the probability of drawing 2 reds and 1 black in 3 draws if order is not important? (Assume replacement after each draw)

  • Statistics - ,

    ways to do this:
    RRB
    RBR
    BRR

    so three ways, then Pr= 3*7/10*7/10*3/10

  • Statistics - ,

    So Bob - Final answer would be .441?

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