(10) Find Std(X) when X is a discrete random variable with the following given density. (i) f(z) = }, z = 6, 7, 8, 9, 10, (iii) f(x) = z = 1,2, … … · , n, where n = 100, ()(") (4) (vii) f(z) = 0.3(0.7)*, z = 0, 1, … . ', (ix) /(r) = , z %3D %3D (v) S(x) = -, # = 0, 1, 2, 3, (10 %3D = 1, 2, ...
(10) Find Std(X) when X is a discrete random variable with the following given density. (i) f(z) = }, z = 6, 7, 8, 9, 10, (iii) f(x) = z = 1,2, … … · , n, where n = 100, ()(") (4) (vii) f(z) = 0.3(0.7)*, z = 0, 1, … . ', (ix) /(r) = , z %3D %3D (v) S(x) = -, # = 0, 1, 2, 3, (10 %3D = 1, 2, ...
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Answer only (vii), and (ix)
Transcribed Image Text:(10) Find Std(X) when X is a discrete random variable with the following given density.
(1) f(z) = z = 6,7,8,9, 10,
(iii) f(z) = , I = 1,2, .., n, where n = 100,
(v) f(x) =
I = 0,1,2, 3,
(9)
(vii) f(z) = 0.3(0.7)*, z = 0,1, ·..,
(ix) f(z) = (z+l):
,I = 1,2, -..
Transcribed Image Text:/7/3
0.7/V0.3
V0.7/0.3
7/3
None of the above
N/A
(vii- Select One)
Does not exist
1
2
3
4
N/A
(xi- Select One)
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