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2 years ago

9

A bag contains 2 white marbles and 7 purple marbles. Two marbles are drawn at random. One marble is drawn and not replaced. Then

a second marble is drawn. What is the probability of selecting a purple marble and then a white marble?

1 answer:

andrew11 [14]2 years ago

7 0

Total marbles = 2 + 7 = 9

P(Purple, then white) = (7/9)(2/8) = 7/36

Answer: 7/36

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