probabilities
posted by pete .
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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