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3. What z-score separates the lowest 10% of the distribution from the rest? a, z= 0.90 %3D b. z -0.90 %3D C. Z 1.28 d. z =-1.28

3. What z-score separates the lowest 10% of the distribution from the rest? a, z= 0.90 %3D b. z -0.90 %3D C. Z 1.28 d. z =-1.28

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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Answer number 3
1. What proportion of a normal distribution is located in the tail beyond a z-score a of z =-1.50? a. -0.0668 b. -0.9332 C. 0.0668 d. 0.9332 2. A vertical line is drawn through a normal distribution at z = -1.00. How much of the distribution is located between the line and the mean? a. 15.87% b. 34.13% C. 84.13% d. -15.87% 3. What z-score separates the lowest 10% of the distribution from the rest? a. z= 0.90 b. z -0.90 C. Z 1.28 d. z = -1.28 %3D
Transcribed Image Text:1. What proportion of a normal distribution is located in the tail beyond a z-score a of z =-1.50? a. -0.0668 b. -0.9332 C. 0.0668 d. 0.9332 2. A vertical line is drawn through a normal distribution at z = -1.00. How much of the distribution is located between the line and the mean? a. 15.87% b. 34.13% C. 84.13% d. -15.87% 3. What z-score separates the lowest 10% of the distribution from the rest? a. z= 0.90 b. z -0.90 C. Z 1.28 d. z = -1.28 %3D
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