Answer:
Step-by-step explanation:
In a recent year in Maine, the proportion of those wearing seat belts who were injured in an auto accident was compared to the proportion of those not wearing seat belts who were injured. Here are the data from all car accidents in Maine for that year:
The proportion of those wearing a seat belt who were injured in an auto accident: 0.0637
The proportion of those not wearing a seat belt who were injured in an auto accident: 0.1251
P^, the marginal proportion of those who were injured in an auto accident: 0.0913