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The probability is 0.3 that a traffic fatality involves an intoxicated or? alcohol-impaired driver or nonoccupant....

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Basic Math

The probability is 0.3 that a traffic fatality involves anintoxicated or? alcohol-impaired driver or nonoccupant. In eighttraffic? fatalities, find the probability that the? number, Y,which involve an intoxicated or? alcohol-impaired driver ornonoccupant is a. exactly? three; at least? three; at most three.b. between two and four?, inclusive. c. Find and interpret the meanof the random variable Y. d. Obtain the standard deviation ofY.

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c mean of binomialdistributionmean np 8 03    See Answer
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