Example # 2: The heights if a group of boys are normally distributed with a mean of 54 inches and standard deviation of 2.5 inches. a. What percentage of the population would have heights between 53 inches and 56 inches? b. If a boy is chosen at random from this population, what is the probability that it is taller than 52 inches? c. If all possible samples of size 25 are drawn from this population, what percentage of them would have means taller than 51 inches?

Example # 2: The heights if a group of boys are normally distributed with a mean of 54 inches and standard deviation of 2.5 inches. a. What percentage of the population would have heights between 53 inches and 56 inches? b. If a boy is chosen at random from this population, what is the probability that it is taller than 52 inches? c. If all possible samples of size 25 are drawn from this population, what percentage of them would have means taller than 51 inches?

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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Concept explainers

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.

Question

Example # 2: The heights if a group of boys are normally distributed with a mean
of 54 inches and standard deviation of 2.5 inches.
a. What percentage of the population would have heights between 53 inches and
56 inches?
b. If a boy is chosen at random from this population, what is the probability that it
is taller than 52 inches?
c. If all possible samples of size 25 are drawn from this population, what
percentage of them would have means taller than 51 inches?

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