Question

vehicles passing over a bridge have two options for paying their bridge toll: paying with a live cashier or using a speed - pass device affixed to the dashboard. data on a busy day for cars and trucks passing over the bridge are shown here.

	payment method
vehicle type	car	35	67	102
	truck	18	47	65
	total	53	114	167

what proportion of vehicles crossing the bridge are trucks and use speed pass?
0.2814
0.4123
0.6826
0.7231

Explanation:

Answer:

The number of trucks and using Speed - Pass is 47, and the total number of vehicles is 167. The proportion is \(\frac{47}{167}\approx0.2814\). So the answer is 0.2814.