Question 269429
A bag of marbles contains 7 red, 3 blue, 5 white, 3 green. 
A. P(red, red, white) with replacement = (7/18)(7/18)(5/18) = 245/5832
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B.P(red, red, white) without replacement = (7/18)(6/17)(5/16) = 210/4896
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Cheers,
Stan H.