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Pizza hut wishes to find the 90 confidence interval of the

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Reference no: EM13580150

Question: Pizza Hut wishes to find the 90% confidence interval of the true mean cost of a medium "veggie" pizza. How large a sample is needed if the store manager wants to be accurate to within $0.10? A previous study gave a standard deviation of $0.57.

Reference no: EM13580150

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