Question

# Find the indicated probabilities using the geometric​ distribution, the Poisson​ distribution, or the binomial distribution. Then...

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-two percent of adults say that they have cheated on a test before. You randomly select seven adults. Find the probability that the number of adults who say that they have cheated on a test before is​

(a) exactly

four​,

​(b) more than

two​,

and​ (c) at most

five.

The solution to this problem is given by

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