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What is the meaning of the big letter X and the small letter x in the P (X=x)? How to read or state it

What is the meaning of the big letter X and the small letter x in the P (X=x)? How to read or state it

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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What is the meaning of the big letter X and the small letter x in the P (X=x)? How to read or state it?

Finding Probabilities of Geometric Random Variable You have to play the game at least once to win, right. X represent the first win, so attempt prior to that is a loss. Let W = win and L = loss X P(X=x) 1 W (%) 20.167 Oh yeah, why are we allowed to multiply the probabilities, they are INDEPENDENT events! 2 LW (5) (%) 0.139 3 4 5 LLLW (5)³(1) 20.096 LLW (5)²(1) 20.116 P(X=x)= (1-P)¹.p LLLLW (%)^(1) 20.080 6 X LLLLLW (5)5(1) (5)x-1(1) 20.067 Notice the skewed right distribution!
Transcribed Image Text:Finding Probabilities of Geometric Random Variable You have to play the game at least once to win, right. X represent the first win, so attempt prior to that is a loss. Let W = win and L = loss X P(X=x) 1 W (%) 20.167 Oh yeah, why are we allowed to multiply the probabilities, they are INDEPENDENT events! 2 LW (5) (%) 0.139 3 4 5 LLLW (5)³(1) 20.096 LLW (5)²(1) 20.116 P(X=x)= (1-P)¹.p LLLLW (%)^(1) 20.080 6 X LLLLLW (5)5(1) (5)x-1(1) 20.067 Notice the skewed right distribution!
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