Question

A)

The table summarizes results from 987 pedestrian deaths that were caused by automobile accidents.

Driver Intoxicated?	Pedestrian Intoxicated?
	Yes	No
Yes	52	66
No	252	617

If one of the pedestrian deaths is randomly selected, find the probability that the pedestrian was not intoxicated but the driver was.
Report the answer as a percent rounded to one decimal place accuracy.

B)

The table summarizes results from 990 pedestrian deaths that were caused by automobile accidents.

Driver Intoxicated?	Pedestrian Intoxicated?
	Yes	No
Yes	55	80
No	227	628

If one of the pedestrian deaths is randomly selected, find the probability that the driver was intoxicated.

Report the answer as a percent rounded to one decimal place accuracy.

Answer 1

A) P(the pedestrian was not intoxicated but the driver was) = 66/987 = 0.067 = 6.7%

B) P(the driver was intoxicated) = (55 + 80)/990 = 0.136 = 13.6%