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A variable is normally distributed with mean 7 and standard deviation 2. a. Find the percentage of all possible values of the variable that lie between 4 and 11. b. Find the percentage of all possible values of the variable that exceed 6. c. Find the percentage of all possible values of the variable that are less than 2.

A variable is normally distributed with mean 7 and standard deviation 2. a. Find the percentage of all possible values of the variable that lie between 4 and 11. b. Find the percentage of all possible values of the variable that exceed 6. c. Find the percentage of all possible values of the variable that are less than 2.

MATLAB: An Introduction with Applications
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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A variable is normally distributed with a mean of 7 and a standard deviation of 2. a. Find the percentage of all possible values of the variable that lie between 4 and 11. b. Find the percentage of all possible values of the variable that exceed 6. c. Find the percentage of all possible values of the variable that are less than 2. - Click here to view page 1 of the standard normal table. - Click here to view page 2 of the standard normal table. a. The percentage of all possible values of the variable that lie between 4 and 11 is ____%. (Round to two decimal places as needed.) b. The percentage of all possible values of the variable that exceed 6 is ____%. (Round to two decimal places as needed.) c. The percentage of all possible values of the variable that are less than 2 is ____%. (Round to two decimal places as needed.)
Transcribed Image Text:A variable is normally distributed with a mean of 7 and a standard deviation of 2. a. Find the percentage of all possible values of the variable that lie between 4 and 11. b. Find the percentage of all possible values of the variable that exceed 6. c. Find the percentage of all possible values of the variable that are less than 2. - Click here to view page 1 of the standard normal table. - Click here to view page 2 of the standard normal table. a. The percentage of all possible values of the variable that lie between 4 and 11 is ____%. (Round to two decimal places as needed.) b. The percentage of all possible values of the variable that exceed 6 is ____%. (Round to two decimal places as needed.) c. The percentage of all possible values of the variable that are less than 2 is ____%. (Round to two decimal places as needed.)
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