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21. An electronic product contains 40 integrated circuits. The probability that any integrated circuit is defective...

21. An electronic product contains 40 integrated circuits. The probability that any integrated circuit is defective is 0.01, and the integrated circuits are independent. The product operates only if there are no defective integrated circuits. a. What is the probability that the product operates? b. What is the probability that exactly one integrated circuit is defective? c. What is the probability that more than one integrated circuit is defective? d. What is the average number of defective intergrade circuits in a product?

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