. A stationary shop would like to estimate the average retail value of greeting cards that it has in its inventory. A random sample of 20 greeting cards indicated an average value of Rs.167 and a standard deviation of Rs.32. Set up a 95% confidence interval estimate of all greeting cards that are in its inventory.

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
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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. A stationary shop would like to estimate the average retail value of greeting cards that it has in its inventory. A random sample of 20 greeting cards indicated an average value of Rs.167 and a standard deviation of Rs.32. Set up a 95% confidence interval estimate of all greeting cards that are in its inventory.

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