Question: The probability is 0.4 0.4 that a traffic fatality involves an intoxicated oralcohol-impaired driver or nonoccupant. In eight eight trafficfatalities, find the probability that thenumber,

The probability is 0.4

0.4 that a traffic fatality involves an intoxicated oralcohol-impaired driver or nonoccupant. In eight

eight trafficfatalities, find the probability that thenumber, Y, which involve an intoxicated oralcohol-impaired driver or nonoccupant is

a. exactlythree; at leastthree; at most three.

b. between two

two and four

four, inclusive.

c. Find and interpret the mean of the random variable Y.

d. Obtain the standard deviation of Y.

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