Question 456715: A paper bag contains 7 white marbles, 4 black marbles, and 2 blue marbles, if each time you pick a marble, the marble is placed back into the bag, what is the percent probability of selecting a white marble and then a black marble in that order?
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! A paper bag contains 7 white marbles, 4 black marbles, and 2 blue marbles, if each time you pick a marble, the marble is placed back into the bag, what is the percent probability of selecting a white marble and then a black marble in that order?
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Ans: (7/13)(4/12) = 17.95%
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Cheers,
Stan H.
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