Police estimate that in one city 48% of drivers wear their seat belts.They set up a safety roadblock,stopping cars to check for seat belt use.If they stop 70 cars during the first hour,what is the mean number of drivers expected to be wearing their seat belts?
A)4.18
B)17.47
C)33.6
D)36.4
E)35

Question

Quizplus · Accepted Answer

The mean number of drivers expected to be wearing their seat belts can be calculated by multiplying the total number of cars stopped by the percentage of drivers who wear seat belts. Thus, 70 cars * 48% = 33.6.

Police Estimate That in One City 48% of Drivers Wear