The average salary of 64 employee was 5400 andthe sample standard deviation was 260. Find the 90% confidence interval for the population meansalary.Select one:O a. 5400 ± 52.16O b. 5400 + 56.33c. 5400 + 58.42O d. 5400 ± 54.24

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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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The average salary of 64 employee was 5400 and the sample standard deviation was 260. Find the 90 % confidence interval for the population mean salary. Select one: O a. 5400 ± 52.16 O b. 5400 + 56.33 O c. 5400 + 58.42 O d. 5400 ± 54.24