November 28, 2015

Homework Help: math-algebra

Posted by Anonymous on Wednesday, September 26, 2007 at 12:59am.

7. A bag contains 5 red marbles, 6 green marbles, and 9 blue marbles. Suppose 3 marbles are chosen without replacement. What is the probability of choosing a red, a blue, and a red in that order?:

A. 9/320

B. 5/152

C. 1/1280

D. 1/38

Please explain answer. Thanks

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