1. A manufacturing machine has a 9% defect rate. If 10 items are chosen at random, what is the probability that at least one will have a defect?

2. A poll is given, showing 75% are in favor of a new building project. If 10 people are chosen at random, what is the probability that exactly 8 of them favor the new building project?

3.A poll is given, showing 25% are in favor of a new building project. If 10 people are chosen at random, what is the probability that fewer than 6 of them favor the new building project?