Question: If an operator checks a bolt, the probability that an incorrectly torqued bolt is identified is 0.95. If a checked bolt is correctly torqued, the

If an operator checks a bolt, the probability that an incorrectly torqued bolt is identified is 0.95. If a checked bolt is correctly torqued, the operator’s conclusion is always correct. What is the probability that at least one bolt in the sample of four is identified as being incorrectly torqued?

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