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One airline averages about 1.3 fatalities per month. Assume that X, the number of fatalities per...

One airline averages about 1.3 fatalities per month. Assume that X, the number of fatalities per month, has the Poisson probability distribution.

What is the probability that in a month the airlines will have no fatality? i.e. P(X = 0). [Round to 4 decimal places] 0.2725

上面显示的是正确答案。 正确答案！
您的证明编号是 155-5718		 以前的尝试

What is the probability that in a month the airlines will have less than average fatality? i.e. P(X < μX), where μX is the expected value of the given Poisson distribution. [Round to 4 decimal places] 0.6268

上面显示的是正确答案。 正确答案！
您的证明编号是 155-1365		 以前的尝试

What is the probability that the airlines will have at least 2 fatalities in two months? [Round to 4 decimal places]

错误. Tries 2/5 以前的尝试
Math   Statistics-And-Probability   
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