A bin contains 20 batteries, 6 are defective. If you select two at random.......

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A bin contains 20 batteries, 6 are defective. If you select two at random, determine the probability:

a) None of the batteries are good.

B) At least one of the batteries is good.

Apr 22nd, 2015

a. multiply probabilities: 6/20 *5/19 = .079

b. This is the complementary even to part a. Thus we have 1-.079=.921

Apr 22nd, 2015

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Apr 22nd, 2015
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Apr 22nd, 2015
Sep 23rd, 2017
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