February 20, 2017

Homework Help: Math, please check work

Posted by Lyndse on Sunday, February 21, 2010 at 11:59am.

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+2+1=10 There are two blue marbles

So is the probability 1/5?

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