Question

Could you please help me check my A to F questions?

4. Researchers are interested in whether wearing seat belts protects against fatal injury in automobile accidents. They compiled the following data from all people involved in automobile accidents in the state of Florida: No Seat Belt Seat Belt534 Not Fatal 161,220 412,482 Using these data, calculate IS54 161220 D a&24S54+534 612204 412 2 a. The simple probability that a seat belt is not worm. b. The simple probability that a fatal injury occurs. 155 - 74- c. The probability that both a fatal injury occurs and a seat belt is not worn P(Fatal injury n No Seat BelyISS4 534 d. The probability of a fatal injury or that the seat belt was not worn or both. 55 4 P(Fatal injury U No Seat Belt) e. The conditional probability that a fatal injury occurs given that a seat belt was not worn SS4 ss4416122 f. Is the event of having a fatal injury independent of not wearing a seat belt? (show your work). Note: we are assuming that the dataset is population level data. No, The event of having afoto.) in尸 nor indotcodeut of not weaui

Answer 1