Normal Distribution w/ Population Size In an all boys school, the heights of thestudent body are normally distributedwith a mean of 71 inches and a standarddeviation of 4.5 inches. Out of the 993 boyswho go to that school, how many would beexpected to be between 63 and 72 inchestall, to the nearest whole number?Statistics CalculatorAnswer:Submit Answer

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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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Normal Distribution w/ Population Size

In an all boys school, the heights of the
student body are normally distributed
with a mean of 71 inches and a standard
deviation of 4.5 inches. Out of the 993 boys
who go to that school, how many would be
expected to be between 63 and 72 inches
tall, to the nearest whole number?
Statistics Calculator
Answer:
Submit Answer

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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