Mathematics, 27.03.2020 04:54 periwinkleaqua72

The probability that a call to an emergency help line is answered in less than 10 seconds is 0.8. Assume that the calls are independent of each other. Using the normal approximation for binomial with a correction for continuity, the probability that at least 75 of 100 calls are answered within 10 seconds is approximately

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The probability that a call to an emergency help line is answered in less than 10 seconds is 0.8. As...