Let X be a random variable defined by the following probability distribution.134f(x)1/62/62/61/6Then:E(X)=2 and V(X)=4/3E(X)=5/2 and V(X)=11/12E(X)=3/2 and V(X)=11/12O None of these

We have to find the man and variance of given probability distribution.

Answered: Let X be a random variable defined by…

Let X be a random variable defined by the following probability distribution. 1 4 f(x) 1/6 2/6 2/6 1/6 Then: O E(X)=2 and V(X)=4/3 O E(X)=5/2 and V(X)=11/12 O E(X)=3/2 and V(X)=11/12 None of these 3.

College Algebra

7th Edition

ISBN:9781305115545

Author:James Stewart, Lothar Redlin, Saleem Watson

Publisher:James Stewart, Lothar Redlin, Saleem Watson

Chapter9: Counting And Probability

Section9.4: Expected Value

Problem 1E: If a game gives payoffs of $10 and $100 with probabilities 0.9 and 0.1, respectively, then the...

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Question

Let X be a random variable defined by the following probability distribution.
1
3
4
f(x)
1/6
2/6
2/6
1/6
Then:
E(X)=2 and V(X)=4/3
E(X)=5/2 and V(X)=11/12
E(X)=3/2 and V(X)=11/12
O None of these

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