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31-05-2023
Mathematics

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The probability is. 35 that a traffic fatality involves an intoxicated or alcohol-impaired driver or nonoccupant. In 9 traffic fatalities, find the probability that the number, Y, which involve an intoxicated or alcohol-impaired driver or nonoccupant is

a. Exactly three; at least three; at most three.

b. Between 2 and 4, inclusive.

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

d. Obtain the standard deviation of Y

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