18 A continuous random variable X has probability density function f(x) given bị [2(1–x) , 0sxsI, f(x) = 0 , otherwise Find: а. Е(x) b. Var(X) c. P(X >E(X))

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Transcribed Image Text:1 18. a. 3 1 b. 4 с. 9 - 18
18 A continuous random variable X has probability density function f(x) given by:
S2(1-x) , 0sxsI,
f(x) =
otherwise
Find:
a. E(X)
b. Var(X)
c. P(X >E(X))
Transcribed Image Text:18 A continuous random variable X has probability density function f(x) given by: S2(1-x) , 0sxsI, f(x) = otherwise Find: a. E(X) b. Var(X) c. P(X >E(X))
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