Suppose that 31% of a population has a virus. You take a random sample of 4 people from this population. a. The events "First person chosen has the virus" and "Second person chosen has the virus" are: independent dependent Find the probability (round to three decimals) that: b. All 4 people have the virus. c. None of the 4 people have the virus. d. At least one of the 4 people has the virus. e. The first person chosen has the virus and the other 3 people do not..