question 10The lengths of adult males' hands are normally distributed with mean 194 mm and standard deviation is 7.1 mm. Suppose that 42 individuals are randomly chosen. Round all answers to 4 where possible.For the group of 42, find the probability that the average hand length is less than 193. Find the third quartile for the average adult male hand length for this sample size.

Answered: question 10 The lengths of adult…

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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question 10

The lengths of adult males' hands are normally distributed with mean 194 mm and standard deviation is 7.1 mm. Suppose that 42 individuals are randomly chosen. Round all answers to 4 where possible.

For the group of 42, find the probability that the average hand length is less than 193.
Find the third quartile for the average adult male hand length for this sample size.

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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