A livestock company reports that the mean weight of a group of young steers is1154pounds with a standard deviation of81pounds. Based on the modelN(1154,81)for the weights of steers, what percent of steers weigha) over950pounds?

Name: A livestock company reports that the mean weight of a group of young s
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Description: A livestock company reports that the mean weight of a group of young steers is1154pounds with a standard deviation of81pounds. Based on the modelN(1154,81)for the weights of steers, what percent of steers weigha) over950pounds?

Answered: A livestock company reports that the…

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 livestock company reports that the mean weight of a group of young steers is

1154

pounds with a standard deviation of

pounds. Based on the model

N(1154,81)

for the weights of steers, what percent of steers weigh

a) over

950

pounds?

Expert Solution

Step 1

The Z-score of a random variable X is defined as follows:

Z = (X – µ)/σ.

Here, µ and σ are the mean and standard deviation of X, respectively.

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