Question: A machine produces components that have defect A with probability 0.015 and defect B with probability 0.020, the two defects being independent. If fifty-four components

A machine produces components that have defect A with probability 0.015 and defect B with probability 0.020, the two defects being independent. If fifty-four components are packed into a batch, what is the (approximate) probability that the batch contains at least fifty components without defects?

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