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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
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
$0.14
? A previous study showed that the standard deviation of the price was
$0.39
. Round your final answer up to the next whole number.
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