e probability is 0 3 that a traffic fatality involves an intoxicated or alcohol impaired driver or nonoccupant In six traffic fatalities find the probability that the number Y which involve an intoxicated or alcohol impaired driver or nonoccupant is exactly three at least three at most three between two and four inclusive Find and interpret the mean of the random variable Y Obtain the standard deviation of Y The probability that exactly three traffic fatalities involve an intoxicated or alcohol impaired driver or nonoccupant is ound to four decimal places as needed