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Cost of Pizzas Apizza shop owner wishes to find the 95%
Chapter 7, Problem 24(choose chapter or problem)
QUESTION:
Cost of Pizzas Apizza shop owner wishes to find the 95% confidence interval of the true mean cost of a large plain pizza. How large should the sample be if she wishes to be accurate to within $0.15?Aprevious study showed that the standard deviation of the price was $0.26. 12
Questions & Answers
QUESTION:
Cost of Pizzas Apizza shop owner wishes to find the 95% confidence interval of the true mean cost of a large plain pizza. How large should the sample be if she wishes to be accurate to within $0.15?Aprevious study showed that the standard deviation of the price was $0.26. 12
ANSWER:Step 1 of 2
Given:
Formula sample size: