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A store owner receives 12 computers:nine are model A and the rest are model B.if two computers are sold at random,find the prob...Asked by farahan
A store owner receives 12 computers:nine are model A and the rest are model B.if two computers are sold at random,find the probability that one of each model is sold
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Answered by
Reiny
could be AB or BA , but the order in which they are sold shouldn't matter, so
prob(AB) = (1/9)(1/3)
= 1/27
prob(AB) = (1/9)(1/3)
= 1/27
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