A sample of 50 days showed that afast-food restaurant served anaverage of 182 customers duringlunch (11:00 AM - 2:00PM). Thestandard deviation of thepopulation is 8. Find the 95%confidence interval for the mean.O a. 178.78-184.22O b. 179 – 185O c. 178 - 186

Z value for 95% ci is calculated from z table

Answered: A sample of 50 days showed that a…

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 50 days showed that a fast-food restaurant served an average of 182 customers during lunch (11:00 AM - 2:00PM). The standard deviation of the population is 8. Find the 95% confidence interval for the mean. O a. 178.78-184.22 O b. 179 - 185 O c. 178 - 186