Based on a poll, 20% of adults believe in reincarnation. Assume that 4 adults are randomly selected, and find the indicated probability Complete parts (a) through (d) below. (Hint: this is a binomial distribution). Round your answer to three decimal places a. What is the probability that exactly 3 of the selected adults believe in reincarnation? T 20 P= n = 4 9=0 b. What is the probability that all of the selected adults believe in reincarnation? c. What is the probability that at least 3 of the selected adults believe in reincarnation? d. If 4 adults are randomly selected, is 3 a significantly high number who believe in reincarnation? Why?