Calculating Expected Value of Random Variables · Statistics and Probability · Flashcards

QUESTION

Which expression gives

E(X)

when outcomes are

x_1,\dots,x_n

with probabilities

p_1,\dots,p_n

?

QUESTION

What does the expected value

E(X)

represent in a probability distribution?

QUESTION

Identify the condition that must hold for a valid discrete probability distribution.

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