vehicles passing over a bridge have two options for paying their bridge toll: paying with a live cashier or…

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.\n| | payment method | | |\n| | live cashier | speed pass | total |\n|--|--|--|--|--|\n| vehicle type | car | 35 | 67 | 102 |\n| | truck | 18 | 47 | 65 |\n| | total | 53 | 114 | 167 |\nwhat proportion of vehicles crossing the bridge are trucks and use speed pass?\n0.2814\n0.4123\n0.6826\n0.7231

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.\n| | payment method | | |\n| | live cashier | speed pass | total |\n|--|--|--|--|--|\n| vehicle type | car | 35 | 67 | 102 |\n| | truck | 18 | 47 | 65 |\n| | total | 53 | 114 | 167 |\nwhat proportion of vehicles crossing the bridge are trucks and use speed pass?\n0.2814\n0.4123\n0.6826\n0.7231

Answer

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.