In: Statistics and Probability
2. A sports team’s practice policy is that practice shall not be canceled except in the event of severe inclement weather. The probabilities of severe thunderstorms, snow, hail, and excessive wind are 35%, 25%, 10%, and 30%, respectively. The probabilities of practice being canceled in each of these scenarios are 25%, 30%, 70%, and 20%, respectively. Assuming that one of the four scenarios is guaranteed to occur, what is the probability that practice will be canceled?