Answered: The bill lengths of a population of…

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 bill lengths of a population of male Blue Jays follow approximately a normal distribution with mean equal to 25.4 mm and standard deviation equal to 0.8 mm.

-What is the 95th percentile of the bill length distribution?

-What percentage of bill lengths are greater than 26.2 mm?

Please give your answer as a percentage to the nearest 2 decimals, e.g. 25.36%, not 0.2536 or 25%.

-What percentage of bill lengths are less than 24 mm?

Please give your answer as a percentage to the nearest 2 decimals, e.g. 25.36%, not 0.2536 or 25%.

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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