A random sample of 39 shoppers showed that they spend an average of $24.35 per visit at the Saturday Mornings Bookstore.

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A random sample of 39 shoppers showed that they spend an average of $24.35 per visit at the Saturday Mornings Bookstore.

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A Random Sample Of 39 Shoppers Showed That They Spend An Average Of 24 35 Per Visit At The Saturday Mornings Bookstore 1
A Random Sample Of 39 Shoppers Showed That They Spend An Average Of 24 35 Per Visit At The Saturday Mornings Bookstore 1 (13.82 KiB) Viewed 110 times
A random sample of 39 shoppers showed that they spend an average of $24.35 per visit at the Saturday Mornings Bookstore. The standard deviation of the population was $2.80. Find the 90% confidence interval of the true mean.
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