SOLUTION: 1. 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

Algebra ->  Probability-and-statistics -> SOLUTION: 1. 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      Log On


   

Question 461556: 1. 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 edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
74+86+40=200
86/200 * 85/199 * 84/198 = 614040/7880400 = .0779
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Ed