Answered: The men hired by a certain city police…

Mathematics For Machine Technology

8th Edition

ISBN:9781337798310

Author:Peterson, John.

Publisher:Peterson, John.

Chapter6: Combined Operations Of Common Fractions And Mixed Numbers

Section: Chapter Questions

Problem 15A: Four studs of the following lengths in inches are to be machined from bar stock: 134,178,2516 and...

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The men hired by a certain city police department must be at least 69 inches tall. If the heights of adult men in the city are normally distributed, with μ = 70 inches and σ = 2 inches, what percentage of the men are tall enough to be eligible for recruitment by the police department?

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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