If a random variable X takes value 0 and 1 with respective probabilities 23 and 13 - then the expected value of X is

The correct option is A 13 E[X]=∑ _ i=0 ^ 2 x _ i p _ i = 0* 2 3 +1* 1 3 = 1 3 #160; ...

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Classical Definition of Probability

If a random v...

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If a random variable X takes value $0$ and $1$ with respective probabilities $\frac{2}{3}$ and $\frac{1}{3}$ , then the expected value of X is

\frac{2}{3}

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\frac{1}{3}

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0

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Similar questions

X

0, 1, 2, 3, . . .

(x + 1) {(\frac{1}{5})}^{x}

X

X = 0, 1, 2

P (X = 0) = 3 K^{3}, P (X = 1) = 4 K - 10 K^{2}, P (X = 2) = 5 K - 1

K

X

0, 1, 2, 3

1.3

P (X = 3) = 2 P (X = 1)

P (X = 2) = 0.3

P (X = 0) =

X = {3, 2, 1}

\frac{1}{2}, \frac{1}{3}

\frac{1}{6}

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