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April 17, 2014

Homework Help: probability Please check answer

Posted by Bart on Sunday, May 2, 2010 at 1:54am.

A bag contains 7 red marbles, 2 blue marbles, and 1 green marble. If a marble is selected at random,
what is the probability of choosing a marble that is not blue?

7 red marbles plus 1 green marble = 8/10 = answer = 4/5

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