Answered: The meat department at a local…

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

2) The meat department at a local supermarket specifically prepares its “1 pound” packages of ground beef, so that there is a variety of weights; some slightly larger and some slightly less than 1 pound. Assume that the weights of these “1 pound” packages are normally distributed with a mean of 1.25 pounds and a standard deviation of 0.20 pounds:

to. What proportion of the packages will weigh more than one pound?

b. What proportion of the packages will weigh between 0.95 and 1.05 pounds?

c. What is the probability that a randomly selected package of ground beef weighs less than 0.80 pound?

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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