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QUESTION 3 For a normal distribution, a positive value of z indicates that O a. all the observations must have had positive values. b. the area corresponding to the z is either positive or negative. c. the sample mean is smaller than the population mean. O d. the sample mean is larger than the population mean.

QUESTION 3 For a normal distribution, a positive value of z indicates that O a. all the observations must have had positive values. b. the area corresponding to the z is either positive or negative. c. the sample mean is smaller than the population mean. O d. the sample mean is larger than the population mean.

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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O c. The standard deviation must be 0 d. The standard deviation must be 1 QUESTION 3 For a normal distribution, a positive value of z indicates that O a. all the observations must have had positive values. b. the area corresponding to the z is either positive or negative. c. the sample mean is smaller than the population mean. d. the sample mean is larger than the population mean. QUESTION 4 A normal probability distribution a. can have mean of any numerical value. b. needs to have a mean of 0. c. has a standard deviation of 0. d. must have a standard deviation of 1 and a mean of 0.
Transcribed Image Text:O c. The standard deviation must be 0 d. The standard deviation must be 1 QUESTION 3 For a normal distribution, a positive value of z indicates that O a. all the observations must have had positive values. b. the area corresponding to the z is either positive or negative. c. the sample mean is smaller than the population mean. d. the sample mean is larger than the population mean. QUESTION 4 A normal probability distribution a. can have mean of any numerical value. b. needs to have a mean of 0. c. has a standard deviation of 0. d. must have a standard deviation of 1 and a mean of 0.
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