The population standard deviation for the heights of dogs, in inches, in a city is 5.7 inches. If we want to be 97% confident that the sample mean is within 1.5 inch of the true population mean, what is the minimum sample size that can be taken?

A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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The population standard deviation for the heights of dogs, in inches, in a city is 5.7 inches. If we want to be 97% confident that the sample mean is within 1.5 inch of the true population mean, what is the minimum sample size that can be taken?

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