The accompanying data file reports the number of customers who visit a hair salon for seven randomly selected weekdays. It can be assumed that weekday customer visits follow a normal distribution. Click here for the Excel Data File a. Construct the 90% confidence interval for the average number of customers who visit the salon on weekdays. Note: Round final answers to 2 decimal places. Lower limit Upper limit b. Construct the 99% confidence interval for the average number of customers who visit the salon on weekdays. Note: Round final answers to 2 decimal places. Lower limit Upper limit c. What happens to the width of the Interval as the confidence level Increases? As the confidence level Increases, the Interval becomes narrower and less precise. As the confidence level Increases, the Interval becomes wider and less precise.

The accompanying data file reports the number of customers who visit a hair salon for seven randomly selected weekdays. It can be assumed that weekday customer visits follow a normal distribution. Click here for the Excel Data File a. Construct the 90% confidence interval for the average number of customers who visit the salon on weekdays. Note: Round final answers to 2 decimal places. Lower limit Upper limit b. Construct the 99% confidence interval for the average number of customers who visit the salon on weekdays. Note: Round final answers to 2 decimal places. Lower limit Upper limit c. What happens to the width of the Interval as the confidence level Increases? As the confidence level Increases, the Interval becomes narrower and less precise. As the confidence level Increases, the Interval becomes wider and less precise.

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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