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-   -   Calculating Probability (https://www.askmehelpdesk.com/showthread.php?t=150879)

  • Nov 11, 2007, 01:10 PM
    msladydee
    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?
  • Nov 11, 2007, 01:26 PM
    s_cianci
    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)
  • Nov 11, 2007, 01:47 PM
    galactus

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