A study found that5%of a new model of electric car have serious battery faults. In response, you sample 100 cars to check for the battery issue. You want to know the probability that: a) o cars have a faulty battery (provide working and the relevantRor Excel Function) b) At least 8 cars have faulty batteries (provide working and the relevantRor Excel Function) c) Why is this distribution appropriate for this problem? List 4 reasons