Question

Question Help The probability is 0.3 that a traffic fatality involves an intoxicated or alcohol-impaired driver or nonoccupant. In which involve an intoxicated or alcohol-impaired driver or nonoccupant is a. exactly three; at least three; at most three. b. between two and four, inclusive. c. Find and interpret the mean of the random variable Y d. Obtain the standard deviation of Y ten tr efatait es nd the r babi ythat the number, Y a. The probability that exactly three traffic fatalities involve an intoxicated or alcohol-impaired driver or nonoccupant is (Round to four decimai places as needed.) The probabilitythat at least three traffic atalities involve an intoxicated or alcohok-impaired driver or nonoccupant is (Round to four decimal places as needed.) of 1 The probability that at most three traffic fatalities involve a Round to four decimal places as needed.) intoxicated or a coho. mpa ed driver or no occupant s of 1 b. The probability that between two and four traffic fatalities, inclusive, involve an intoxicated or alcohol-impaired driver or noneccupant is Round to four decimal places as needed.) c. The mean of Y is Choose the correct interpretation of the mean below

Answer 1