Answered: tatistics students weighted the content…

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

Cans of regular Coke are labeled as containing 12oz .
Statistics students weighted the content of 9 randomly chosen cans, and found the mean weight to be 12.14oz .
Assume that cans of Coke are filled so that the actual amounts are normally distributed with a mean of 12oz and a standard deviation of sigma=0.12. Find the probability that a sample of 9 cans will have a mean amount of at least 12.14.

Features Features Normal distribution is characterized by two parameters, mean (µ) and standard deviation (σ). When graphed, the mean represents the center of the bell curve and the graph is perfectly symmetric about the center. The mean, median, and mode are all equal for a normal distribution. The standard deviation measures the data's spread from the center. The higher the standard deviation, the more the data is spread out and the flatter the bell curve looks. Variance is another commonly used measure of the spread of the distribution and is equal to the square of the standard deviation.

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