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Suppose That 24% of All Sales in a Grocery Store

Question 152

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Suppose that 24% of all sales in a grocery store are for amounts greater than $100.In a random sample of 50 invoices,what is the probability that more than ten of the invoices are for over $100? Use the normal approximation for the binomial distribution.

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P = 0.24,n = 50,μ =E(X)= nP = ...

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