Answer
- Current System: $\frac{1121}{13}\approx86.2308$
- With Red-Light Cameras: $\frac{922}{13}\approx70.9231$
Work Step by Step
- Current System:
$mean~number=\frac{289+392+78+362}{13}=\frac{1121}{13}\approx86.2308$
- With Red-Light Cameras:
$mean~number=\frac{221+333+60+308}{13}=\frac{922}{13}\approx70.9231$
