Q6(a). A machine produces on an average 20% defective bolts. A batch is accepted if a sample of 5 bolts taken from that batch contains no defective and rejected if the sample contains 3 or more defectives. In other cases, a second sample is taken. What is the probability that the second sample is required?

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A: Given below clear explanation

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A: Please refer to the image below.

Q: B. 4. 10

A: topic - sets

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