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Binomial Probability for Automobile Parts Estimated to be Defective

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A machine that manufactures automobile parts is estimated to produce defective parts 5% of the time. If this estimate is correct, and 9 parts produced by this machine are randomly selected, what is the probability that at most 2 turn out to be defective? Round your answer to four decimal places.

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The expert examines binomial probability for automobile parts estimated to be defective. A complete, neat and step-by-step solution is provided using binomial probability.

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We use binomial probability for this problem

p = 5% = 0.05, q = 1 ...

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