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9. Find the variance of the diameter of the electronic cable. a. 0.05 b. 0.3 с. 0.25

9. Find the variance of the diameter of the electronic cable. a. 0.05 b. 0.3 с. 0.25

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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For numbers 6-9, the diameter of an electronic cable, say X is random, with pdf fx(x) = 6x – 6x²I0,1](x²) 6. Which of the following is the CDF of X. a. Fx(x) = (2a³ – 3x2)I[0,1)(x) + I1,00) (x) b. Fx(x)= (3x² – 2a³)I(0,1)(x) + I1,00) (x) c. Fx(x) = (2x² – 3r³)I0,1)(x') + I1,00) (x) 7. Find P(X > 0.75). a. 0.3750 b. 0.1653 c. 0.1569 8. Find the mean diameter of the electronic cable. а. 0.5 b. 0.25 c. 0.125 9. Find the variance of the diameter of the electronic cable. a. 0.05 b. 0.3 с. 0.25
Transcribed Image Text:For numbers 6-9, the diameter of an electronic cable, say X is random, with pdf fx(x) = 6x – 6x²I0,1](x²) 6. Which of the following is the CDF of X. a. Fx(x) = (2a³ – 3x2)I[0,1)(x) + I1,00) (x) b. Fx(x)= (3x² – 2a³)I(0,1)(x) + I1,00) (x) c. Fx(x) = (2x² – 3r³)I0,1)(x') + I1,00) (x) 7. Find P(X > 0.75). a. 0.3750 b. 0.1653 c. 0.1569 8. Find the mean diameter of the electronic cable. а. 0.5 b. 0.25 c. 0.125 9. Find the variance of the diameter of the electronic cable. a. 0.05 b. 0.3 с. 0.25
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