Anytown, USA is a city with a population of 110,900 people. Their city councilors
pulled
some accident data from 2019. In that year there were a total of 1,908 vehicle
accidents
. Below is a breakdown of that data by age group of the driver responsible
for each accident
compared to all drivers in the city.
Young Driver
Adult
Senior Citizen
(YD)
(A)
(SC)
Totals
15-24
25-64
65+
Caused an
820
954
accident (C)
134
1,908
Did not cause
an accident
8,542
50,899
10,669
70,110
(NC)
Total
9,362
51,853
10,803
72,018
a) What is the probability that a driver caused an accident in 2019 (P(C))? (Express
the
answer as a percent rounded to the nearest tenth of a percent.)
b) What is probability that a driver in the city is a young driver (P(YD))? (Express the
answer as a
percent rounded to the nearest percent.)