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3. Suppose that we investigate an apple store shop and saw on average that out of 20 customer, 16 of them want to buy the

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3. Suppose that we investigate an apple store shop and saw on average that out of 20 customer, 16 of them want to buy the newest iPhone. We select 50 customer randomly, nd the probability that (5 point each): 1. More than 46 customers want to buy the newest iPhone. 2. Exactly 40 customers want to buy the newest iPhone. 3. What is the variance on the number of purchased iPhone. 4. Name the distribution

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