SOLUTION: A box contains 5 red balls, 4 green balls and 3 white balls, if we select a ball random, what is the probability that it is either red or white?

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Question 1192410: A box contains 5 red balls, 4 green balls and 3 white balls, if we select a ball random, what is the probability that it is either red or white?
Answer by ikleyn(52855) About Me  (Show Source):
You can put this solution on YOUR website!
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It is  P = %285%2B3%29%2F%285%2B4%2B3%29 = 8%2F12 = 2%2F3.   ANSWER

Solved.