A group of 49 randomly selected students has a mean age of 22.4 years. Assume the population standard deviation is3.8. Construct a 98% confidence interval for the population mean.O (20.3, 24.5)O (21.1, 23.7)O (18.8, 26.3)O (19.8, 25.1)

Answer:- Given, sample size, n = 49 Sample mean, X̄ = 22.4 Population standard deviation, σ = 3.8…

Answered: A group of 49 randomly selected…

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 group of 49 randomly selected students has a mean age of 22.4 years. Assume the population standard deviation is 3.8. Construct a 98% confidence interval for the population mean. O (20.3, 24.5) O (21.1, 23.7) O (18.8, 26.3) O (19.8, 25.1)