Question

Among all the car accidents last year, 492 deaths were reported on the road, of which 240 were wearing belts and 252 were not wearing belts. Of the 2,884 people involved in serious accidents, 2,145 wore seat belts and the rest did not.
to. 
a) Calculate the probability of dying by not wearing a belt
b. Calculate the probability of dying if you wear the belt

c. If a person dies in a car accident; What is the probability that he was wearing a seat belt?

Answer 1

Seat bedt No seat belt Total Car Accident 240 250 ५१2 2145 7 39 2884 Serious Accident 2385 991 Total 3.376 (a) pl dying by not wearing a belt ११) 3376 = 0.29 35 (6) Pl dying if you wear belt) - 2385 3376 - On 7065 (c) pl wearing a a seat belt given dies in a car accident)

= pl wearing a seat belt and dies in a car accident P (dies in a car accident) 240 13376 492) 3376 P = 2 40 492 -0.4878