Answered: A student was asked to find a 99%…

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 student was asked to find a 99% confidence interval for widget width using data from a random sample of size n = 29. Which of the following is a correct interpretation of the interval 11.2 < μ < 32.5?

Check all that are correct.

_____ There is a 99% chance that the mean of the population is between 11.2 and 32.5

_____The mean width of all widgets is between 11.2 and 32.5, 99% of the time. We know this is true because the mean of our sample is between 11.2 and 32.5.

_____ There is a 99% chance that the mean of a sample of 29 widgets will be between 11.2 and 32.5.

_____ With 99% confidence, the mean width of all widgets is between 11.2 and 32.5.

_____ With 99% confidence, the mean width of a randomly selected widget will be between 11.2 and 32.5.

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