(1) Let X be a random variable with a function 3 1 x = 0,1, 2,3 4 x! (3—х)! f(x) =- , then E(x)is O.W 5 (b) 3 7 17 (c) 3 (d) (e) None of these | 2 2 27

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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(1) Let X be a random variable with a function
3
1
x = 0,1, 2,3
4 x! (3—х)!
f(x) =-
, then E(x)is
O.W
5
(b)
3
7
17
(c)
3
(d)
(e) None of these
-
2
2
27
Transcribed Image Text:(1) Let X be a random variable with a function 3 1 x = 0,1, 2,3 4 x! (3—х)! f(x) =- , then E(x)is O.W 5 (b) 3 7 17 (c) 3 (d) (e) None of these - 2 2 27
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