Consider the following pdf for a random variable defined on the interval [1,2]: If this pdf is a valid pdf, what should be the value of z? Number Complete the equations below: E(X) == Σ Var(X) = Σ The value for E(X) is ○ E(X) <0 0≤ E(X) < 1 ○ 1≤ E(X) < 1+ (2-1)/2 O1+(-1)/2 < E(X) < z ○ E(X) > z T f(x) = exp exp (1/2) (+2) dx (x - E(x))2 exp (4) dx

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Consider the following pdf for a random variable defined on the interval [1,2]:
If this pdf is a valid pdf, what should be the value of z?
Number
Complete the equations below:
E(X) ==
Σ
Var(X) =
Σ
The value for E(X) is
○ E(X) <0
0≤ E(X) < 1
○ 1≤ E(X) < 1+ (2-1)/2
O1+(-1)/2 < E(X) < z
○ E(X) > z
T
f(x) = exp
exp (1/2)
(+2)
dx
(x - E(x))2
exp (4)
dx
Transcribed Image Text:Consider the following pdf for a random variable defined on the interval [1,2]: If this pdf is a valid pdf, what should be the value of z? Number Complete the equations below: E(X) == Σ Var(X) = Σ The value for E(X) is ○ E(X) <0 0≤ E(X) < 1 ○ 1≤ E(X) < 1+ (2-1)/2 O1+(-1)/2 < E(X) < z ○ E(X) > z T f(x) = exp exp (1/2) (+2) dx (x - E(x))2 exp (4) dx
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