Cost of Pizzas A pizza 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 $0.13?...

Cost of Pizzas A pizza 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

$0.13? A previous study showed that the standard deviation of the price was $0.16. Round your final answer up to the next whole number.

The owner needs at least a sample of ___ pizzas.

Jun 02, 2022

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