Find the indicated probabilities using the geometric​ distribution, the Poisson​ distribution, or the binomial distribution. Then determine if the events are unusual. If​ convenient, use the appropriate probability table or technology to find the probabilities.   Fifty-four percent of adults say that they have cheated on a test or exam before. You randomly select eight adults. Find the probability that the number of adults who say that they have cheated on a test or exam before is​ (a) exactlyfour​,​(b) more thantwo​,and​ (c) at most five.

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