QUESTION 5A random sample of n = 144 is drawn from a population with a known standard deviation of o= 14.1. The sample mean is x= 95. What is the 90%confidence interval for the population mean?O a. (93.07, 96.93)O b.(93.49, 96.51)O c. (92.70, 97.30)O d. (92.27, 97.73)

Given,sample size(n)=144sample mean(x¯)=95standard deviation(σ)=14.1α=1-0.90=0.1α2=0.05Z0.05=1.645…

Answered: QUESTION 5 A random sample of n = 144…

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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QUESTION 5 A random sample of n = 144 is drawn from a population with a known standard deviation of o= 14.1. The sample mean is = 95. What is the 90% confidence interval for the population mean? O a. (93.07, 96.93) Ob.(93.49, 96.51) O c. (92.70, 97.30) O d. (92.27, 97.73)