Question
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
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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A Tour Through Graph Theory
Authors: Karin R Saoub
1st Edition
1138197815, 9781138197817
