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A certain department store is interested in estimating the average amount its credit card customers spent on their first visit. Fifteen credit card accounts were randomly sampled and analyzed with the following results: x2.525 pesos and 720,000 Construct a 95% confidence interval for the average amount its credit card customers spent in the store. 2,425.00<<2,625.52 2,454.45<<2,696.14 2,446.86<<2,603.14 7.7848652.666.05

A certain department store is interested in estimating the average amount its credit card customers spent on their first visit. Fifteen credit card accounts were randomly sampled and analyzed with the following results: x2.525 pesos and 720,000 Construct a 95% confidence interval for the average amount its credit card customers spent in the store. 2,425.00<<2,625.52 2,454.45<<2,696.14 2,446.86<<2,603.14 7.7848652.666.05

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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A certain department store is interested in estimating the average amount its credit card customers spent on their first visit. Fifteen credit card accounts were randomly sampled and analyzed with the following results: x=2.525 pesos and s²=20,000 Construct a 95% confidence interval for the average amount its credit card customers spent in the store. A 2,425.00<<2,625.52 B 2,454.45<<2,696.14 2,446.86<<2,603.14 D2,384.86<<2,666.05
Transcribed Image Text:A certain department store is interested in estimating the average amount its credit card customers spent on their first visit. Fifteen credit card accounts were randomly sampled and analyzed with the following results: x=2.525 pesos and s²=20,000 Construct a 95% confidence interval for the average amount its credit card customers spent in the store. A 2,425.00<<2,625.52 B 2,454.45<<2,696.14 2,446.86<<2,603.14 D2,384.86<<2,666.05
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