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May 22, 2015

Homework Help: probabilities

Posted by pete on Monday, October 3, 2011 at 3:06pm.

The proportion of red marbels in a large jar of red and black marbels is 0.4 and the percentage of damaged red and black marbels is 0.7.
What is the probability of selecting randomly a black and damaged marbel?

If you randomly select three marbels, what is the probability of selecting a red OR a black marbel?

If you select five at random what is the probability of selecting at least one of each color?

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