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It Is Known That Screws Produced by a Certain Company

Question 49

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It is known that screws produced by a certain company will be defective with a probability of .01, independently of each other.The company sells the screws in packages of 25 and offers a money-back guarantee that at most, 1 of the 25 screws is defective.Using Poisson approximation for binomial distribution, the probability that the company must replace a package is approximately _________


A) 0.01
B) 0.1947
C) 0.7788
D) 0.0265
E) 0.2211

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