52% of all violent felons in the prison system are repeat offenders. If 37 violent felons are randomly selected, find the probability that a. Exactly 19 of them are repeat offenders. :] b. At most 19 of them are repeat offenders. :] c. At least 20 of them are repeat offenders. d. Between 14 and 18 (including 14 and 18) of them are repeat offenders. C]