Answered: The average number of years a person…

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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The average number of years a person takes to complete a certain graduate degree is 3. The standard deviation is 4 months. (a) assuming normal distribution, find the probability that an individual enrolled in the graduate program will take between 3.8 and 4.5 years to complete the program. (b) If 500 people graduated from the program, approximately how many of them took less than 2.5 years to graduate? Label.

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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