Answered: The monthly salaries of the employees…

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

The monthly salaries of the employees at Lyman Limited follow a normal distribution with an average salary
of R 14 000 and a standard deviation of R 500.
a) What percentage of employees get paid between R 13 000 and R 15 500?
b) If a female employee claims to be in the top 10% of highest paid employees at the company, what
must be her minimum monthly salary?

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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