Answered: Fertilizer bags are weighed as they…

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

Fertilizer bags are weighed as they come off a production line. The weights are normally distributed and the coefficient of variation is 0.085%. It is found that 2% of the bags weigh less than 50.00 kg.

a) What is the average weight of a bag of fertilizer?

b) What percentage of the bags weigh more than 50.0kg?

c) What is the upper quartile of the weights?

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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