11. Advertising Three out of four people think most ad- vertising seeks to persuade people to buy things they don't need or can't afford. Find the probability that exactly 5 out of 9 randomly selected people will agree with this statement. 13. Prison Inmates Forty percent of prison inmates were unemployed when they entered prison. If 5 inmates are randomly selected, find these probabilities: c. At least 3 were unemployed. d. Fewer than 2 were unemployed