(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) = , z = 1,2,-,n, where n = 100, ()(6:) (v) f(z) = z= 0,1,2,3, (vii) f(z) = 0.3(0.7)* , z = 0,1, ---, (ix) f(z) = :z = 1,2, ……. (11) 1 2 N/A (i- Select One) 1/12 n2 /12 (n² – 1)/12 V(n² – 1)/12 N/A (iii- Select One) 3x4x6x(10–3) 1/150 2)1/2 72/900 1/900 None of the above N/A 100x9 (v- Select One)
(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) = , z = 1,2,-,n, where n = 100, ()(6:) (v) f(z) = z= 0,1,2,3, (vii) f(z) = 0.3(0.7)* , z = 0,1, ---, (ix) f(z) = :z = 1,2, ……. (11) 1 2 N/A (i- Select One) 1/12 n2 /12 (n² – 1)/12 V(n² – 1)/12 N/A (iii- Select One) 3x4x6x(10–3) 1/150 2)1/2 72/900 1/900 None of the above N/A 100x9 (v- Select One)
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 (i), (iii), and (v)
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