SOLUTION: A box contains 74 brass washers, 86 steel washers and 40 aluminum washers, three washers are drawn at random from the box without replacement. Determine the probability that all th

Algebra ->  Probability-and-statistics -> SOLUTION: A box contains 74 brass washers, 86 steel washers and 40 aluminum washers, three washers are drawn at random from the box without replacement. Determine the probability that all th      Log On


   

Question 310296: A box contains 74 brass washers, 86 steel washers and 40 aluminum washers, three washers are drawn at random from the box without replacement. Determine the probability that all three are steel washers.



Answer by stanbon(75887) About Me  (Show Source):
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A box contains 74 brass washers, 86 steel washers and 40 aluminum washers, three washers are drawn at random from the box without replacement. Determine the probability that all three are steel washers.
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P(3 steel) = 86C3/200C3 = 0.0779
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Cheers,
Stan H.