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According to a recent survey, 89% of all customers will return to the same grocery store....

According to a recent survey, 89% of all customers will return to the same grocery store. Suppose thirteen customers are selected at random, what is the probability that:

a. Exactly five of the customers will return

b. All thirteen will return

c. At least seven will return

d.At least three will return

e. How many customers would be expected to return to the same store

Math   Statistics-And-Probability   
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