Problems 4, 5, 6, and 7A, B and C

4. Stem Cell Survey: Adults were randomly selected for a Newsweek poll. and they were asked it they "favor or oppose using federal tax dollars to fund medical research using stem cells obtained from human embryos." Of the adults selected. 481 were in favor. 401 were opposed. and 120 were unsure. Based on these results. find the probability that a randomlyr selected adult would respond in favor. Is it unusual for an adult to be in favor? 5. Personal Celts at Work: USA Today reported on a survey of office workers who were asI-ted how much time they spend on personal phone calls per day. Among the responses. 1065 reported times between '1 and 10 minutes. 2-10 reported times between 11 and 30 minutes. 14 reported times between 31 and 60 minutes. and 66 said that they do not make personal calls. It a worker is randomly selected. what is the probability the worker does not make personal calls. Is it unusual for a worker to make no personal calls? 5. Car Ignition steme: A quality control analyst randomly selects 3 different car ignition systems from a manufacturing process that has just produced 200 systems, including 5 that are defective. What is the probability that all 3 ignition systems are good?I 7'. As of 43'13'22. Ftiverside County had a 64.2% COVID vaccination rate. Five people are selected at random from Riverside County. find the probability of each: :3) MI five are vaccinated. None of the five are vaccinated. At least one is vaccinated