SOLUTION: A box contains 12 transistors , 5 of which were defective. If 5 are selected at random, find the probability that.
A: All are defective
B: None are defective
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Question 1008679: A box contains 12 transistors , 5 of which were defective. If 5 are selected at random, find the probability that.
A: All are defective
B: None are defective
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
A box contains 12 transistors , 5 of which were defective. If 5 are selected at random, find the probability that.
Binomial Problem with n = 5 and p(defect) = 5/12 ; p(not defect) = 7/12
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A: P(All are defective) = (5/12)^5
B: None are defective = (7/12)^5
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Cheers,
Stan H.
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