ID: 18397Nhận biết (M1) A certain electric system contains components. Suppose that the probability that each individual component will fail is and that the components fail independently of each other.
(a) Approximate the probability that more than 25 components have failed. Give a result when .
(b) Given that at least two of the components have failed, what is the probability that at least three of the components have failed? Give your result when .
Đáp án đúng:
Nhận biết (M1)
A certain electric system contains components. Suppose that the probability that each individual component will fail is and that the components fail independently of each other.
(a) Approximate the probability that more than 25 components have failed. Give a result when .
(b) Given that at least two of the components have failed, what is the probability that at least three of the components have failed? Give your result when .
Đáp án đúng:
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