Question: 1. A student has failed to study for a true-false test and guesses at every one of the 10 questions. If the passing grade is 8 correct answers, what is the probability that the student will pass the quiz?
2. A baseball player has a probability p = 0.04 of hitting a home run for each at bat. Find the minimum number of at bats he must take so that there is at least an 80% probability of hitting a home run (that is, at least 1 home run).