The expectation of a random variable X(continuous or discrete) is given by _________

Question

TuteeHUB · Accepted Answer

∑x2 f(x), ∫x2 f(x)

TuteeHUB · Answer

∑xf(x), ∫xf(x)

TuteeHUB · Answer

∑x2 f(x), ∫x2 f(x)

TuteeHUB · Answer

∑f(x), ∫f(x)

TuteeHUB · Answer

∑xf(x2), ∫xf(x2)

TuteeHUB · Answer

is given by _________a) ∑xf(x), ∫xf(x)b) ∑x2 f(x), ∫x2 f(x)c) ∑f(x), ∫f(x)d) ∑xf(x2), ∫xf(x2)

1.	The expectation of a random variable X(continuous or discrete) is given by _________
A.	∑xf(x), ∫xf(x)
B.	∑x2 f(x), ∫x2 f(x)
C.	∑f(x), ∫f(x)
D.	∑xf(x2), ∫xf(x2)
E.	is given by _________a) ∑xf(x), ∫xf(x)b) ∑x2 f(x), ∫x2 f(x)c) ∑f(x), ∫f(x)d) ∑xf(x2), ∫xf(x2)
Answer» B. ∑x2 f(x), ∫x2 f(x)

Discussion