Consider the Bernoulli model. What would be a typical probability of success () for (a) Free throw

Question:

Consider the Bernoulli model. What would be a typical probability of success (π) for
(a) Free throw shooting by a good college basketball player?
(b) Hits by a good baseball batter?
(c) Passes completed by a good college football quarterback?
(d) Incorrect answers on a five-part multiple choice exam if you are guessing?
(e) Can you suggest reasons why independent events might not be assumed in some of these situations? Explain.