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QUESTION 8 A pizza shop wishes to find the 95% confidence interval of the true mean cost of a large plain pizza. How large would

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QUESTION 8 A pizza shop wishes to find the 95% confidence interval of the true mean cost of a large plain pizza. How large would the sample be if she wishes to be accurate within $0.15? A previous study showed that the population standard deviation of the price was $0.26. Round your answer up to the next whole number. Z value from the chart for the formula: Sample size

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