SOLUTION: In a shipment of 50 transformers, 7 are known to be defective. If 30 transformers are picked at random, what is the probability that all 30 are nondefective? Assume that all transf
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Question 216366: In a shipment of 50 transformers, 7 are known to be defective. If 30 transformers are picked at random, what is the probability that all 30 are nondefective? Assume that all transformers look alike and have an equal probability of being chosen. round to 6 decimals Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! In a shipment of 50 transformers, 7 are known to be defective. If 30 transformers are picked at random, what is the probability that all 30 are nondefective? Assume that all transformers look alike and have an equal probability of being chosen. round to 6 decimals
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# defective = 7
# not defective = 43
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P(30 non defective) = 43C30/50C30 = 0.0007761
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Cheers,
Stan H.
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