This is the first question and I know how to solve this one, but
I am confused by the second one (The admissions office of a small,
selective liberal-arts college will only offer admission to
applicants who have a certain mix of accomplishments, including a
combined SAT score of 1,300 or more. Based on past records, the
head of admissions feels that the probability is 0.58 that an
admitted applicant will come to the college. If 500 applicants are
admitted,...