1 The weather forecaster indicates that there is a 25 chance
1. The weather forecaster indicates that there is a 25% chance of rain on Saturday and a 25% chance of rain on Sunday. If the probability that it rains on both Saturday and Sunday is 10%, what is probability that it rains over the weekend?
2. A dart player has a 5% chance of hitting the bull’s-eye each throw they make. If each row is independent, how many throws does the player need to make to be assured of having 50% chance of hitting the bull’s-eye?
Solution
