A filling machine puts an average of four ounces of coffee in jars, with astandard deviation of 0.25 ounces. Forty jars filled by this machine areselected at random.What is the probability that the mean amount per jar filled in the sampled jarsis less than 3.9 ounces?0.02500.0500None of these0.34460.0057O 0.0225What is the z-score for this problem? (Your answer must be accurate up to twodecimal places.)Your answer

Answered: Image /qna-images/answer/e6ca48ef-8683-43cd-8d7d-ae92f7d6a2d9.jpg

Answered: standard deviation of 0.25 ounces.…

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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standard deviation of 0.25 ounces. Forty jars filled by this machine are selected at random. What is the probability that the mean amount per jar filled in the sampled jars is less than 3.9 ounces? 0.0250 0.0500 None of these 0.3446