Bert is planning to open a savings account that earns 1.6% simple interest. He wants to earn exactly $336 in interest after 3 years. How much money should he deposit

Given a binomial distribution variable with n=20 and p=0.60 find the following possibilities using the binomial table a) p(x < 13) b) p x > 15) c) p(x = 17) d) p(11 < x < 14) e) p(11 < x < 14)