# Question: The U S National Highway Traffic Safety Administration gathers data concerning

The U.S. National Highway Traffic Safety Administration gathers data concerning the causes of highway crashes where at least one fatality has occurred. The following probabilities were determined from the 1998 annual study (BAC is blood-alcohol content).

P(BAC = 0 0 Crash with fatality) = .616

P(BAC is between .01 and .09 0 Crash with fatality) = .300

P(BAC is greater than .09 0 Crash with fatality) = .084

Over a certain stretch of highway during a 1-year period, suppose the probability of being involved in a crash that results in at least one fatality is .01. It has been estimated that 12% of the drivers on this highway drive while their BAC is greater than .09. Determine the probability of a crash with at least one fatality if a driver drives while legally intoxicated (BAC greater than .09).

P(BAC = 0 0 Crash with fatality) = .616

P(BAC is between .01 and .09 0 Crash with fatality) = .300

P(BAC is greater than .09 0 Crash with fatality) = .084

Over a certain stretch of highway during a 1-year period, suppose the probability of being involved in a crash that results in at least one fatality is .01. It has been estimated that 12% of the drivers on this highway drive while their BAC is greater than .09. Determine the probability of a crash with at least one fatality if a driver drives while legally intoxicated (BAC greater than .09).

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