Question 146015: Saturday you wash and dry 9 pair of pants you have 4 blue jeans, 2 khakis and 3 black. You close your eyes and randomly pick a pair out of the dryer, what is the probability that you will first select and remove a black pair, AND then you select a pair of blue jeans? ________________
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! Saturday you wash and dry 9 pair of pants you have 4 blue jeans, 2 khakis and 3 black. You close your eyes and randomly pick a pair out of the dryer, what is the probability that you will first select and remove a black pair, AND then you select a pair of blue jeans? ________________
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P(black and blue) = P(black)*P(blue | black) = (3/9)*(4/8)
= (1/3)(1/2) = 1/6
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Cheers,
Stan H.
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