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Re: A box contains 25 red blacks, 100 blue blocks, and 175 yellow blocks.
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07 Dec 2017, 13:50
Hi All,
This question is an example of a fairly straight-forward probability question.
Probability = (# of ways that give us what we "want")/(Total # of ways possible).
Here, we have a total of 25+100+175 = 300 blocks and 25 of those blocks are red. Thus, the probability of randomly pulling one red block from that group is...
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91% (00:40) correct 
