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Statistics probability

Mathematics
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a box contains 5 blue chips and 11 red chips. A person selects two chips without replacement,find the probability of selecting a red chip on the second draw,given that the first chip selected was a blue chip

Mar 22nd, 2015

After selecting a blue chip, there are 4 blue chips and 11 red chips left.

Then, the probability of choosing a red chip on the second draw is

11 out of a total of 15 chips which is

a probability of 11/15

Mar 21st, 2015

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Mar 22nd, 2015
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Mar 22nd, 2015
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