A sample of 100 information systems managers had an average hourly income of $40.00 with a standard deviation of $8.00. The 95% confidence interval for the average hourly wage (in $) of all information system managers is a. 38.684 to 41.316. b. 32 to 48. c. 38.432 to 41.568. d. 39 to 41.

Given: Sample size (n) = 100 Sample average hourly income = = $40 Sample standard deviation (s) = 8…

Answered: A sample of 100 information systems…

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 sample of 100 information systems managers had an average hourly income of $40.00 with a standard deviation of $8.00. The 95% confidence interval for the average hourly wage (in $) of all information system managers is

	a.	38.684 to 41.316.
	b.	32 to 48.
	c.	38.432 to 41.568.
	d.	39 to 41.

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