Finding Binomial Probabilities In Exercises 19 & 20, find the indicated probabilities.

19. Newspapers Thirty-four percent of U.S. adults have very little confidence in newspapers. You randomly select eight U.S. adults. Find the probability that the number of U.S. adults who have very little confidence in newspapers is (a) exactly six, (b) at least four, and (c) less than five. (Source: Gallup)

20. Drone Use in Police Work Thirty-six percent of U.S. adults favor the use of unmanned drones by police agencies. You randomly select nine U.S. adults. Find the probability that the number of U.S. adults who favor the use of unmanned drones by police agencies is (a) exactly four, (b) at least two, and (c) less than six. (Source: Rasmussen Reports)