The probability is
0.35 that a traffic fatality involves an intoxicated or alcohol-impaired driver or nonoccupant. In eight
eight traffic fatalities, find the probability that thenumber, Y, which involve an intoxicated or alcohol-impaired driver or nonoccupant is
a. exactly three; at least three; at most three.
b. between two
two and four
c. Find and interpret the mean of the random variable Y.
d. Obtain the standard deviation of Y.
round to four decimal places as needed