Posted by **Leonard** on Friday, November 15, 2013 at 3:43am.

Suppose an urn contains 8 red,5 white and 7 blue marbles.a.If 3 marbles are drawn at random from the urn with replacement,what is the probability that three marbles are red?

- Math -
**Steve**, Friday, November 15, 2013 at 6:15am
(8/20)^3

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