In a chemical factory, the average number of workers is 450 who work on daily basis. Thestandard deviation is 20 workers. What is the probability that a random sample of 49working hours will yield a sample mean between 440 and 445 workers?Answer Choices:a. 0.05b. 0.15c. 0.09d. 0.04

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Answered: In a chemical factory, the average…

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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In a chemical factory, the average number of workers is 450 who work on daily basis. The standard deviation is 20 workers. What is the probability that a random sample of 49 working hours will yield a sample mean between 440 and 445 workers? Answer Choices: a. 0.05 b. 0.15 c. 0.09 d. 0.04