In a market study for zellers a researcher found that 70 of


In a market study for Zellers, a researcher found that 70% of customers are repeat customers. If 12 customers are selected at random, find the probability of getting.

a. Exactly 9 of them are repeat customers

b. At least 9 of them are repeat customers

c. At most 9 of them are repeat customers

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Managerial Economics: In a market study for zellers a researcher found that 70 of
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