Question

Help with probability HW, please!

For each of the following situations, calculate the probability of the specified event using the appropriate approach (relative frequency, classical, subjective). In addition, explain why the approach you used was the best fit for the situation.

1. Sam drives to work during rush hour traffic every day (Monday - Friday). During the past 30 days, Sam has been late for work five times, due to the traffic. What is the probability that Sam was late on any given day in the past 30 days?

2. In a parking lot, there are 4 cars, 2 trucks, 3 vans, and 5 SUV's. If a vehicle is selected at random, what is the probability of selecting a car?

3. In a recent year, there were about 10,000 vehicle accidents in which alcohol was a factor. Of these accidents, 15 resulted in injury to the driver. Based on this information, what is the probability of a driver being injured in a vehicle accident involving alcohol?

Answer 1