Find E(X), Var(X), and the standard deviation of X, where X is the random variable whose probability table is given in the table below. Outcome 8 9 45 45 8 Probability 106 106 53 What is the expected value of the random variable X associated with the probability table given in the problem statement? E(X)= (Type an integer or a simplified fraction.) What is the variance of the random variable X? Var(X) = (Type an integer or a simplified fraction.) What is the standard deviation of the random variable X? (Type an integer or a simplified fraction.)

A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
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Find E(X), Var(X), and the standard deviation of X, where X is the random variable whose probability table is given in the table below.
Outcome
8
9
7
45
45
8
Probability
106
106
53
What is the expected value of the random variable X associated with the probability table given in the problem statement?
E(X) =
(Type an integer or a simplified fraction.)
What is the variance of the random variable X?
Var(X) = (Type an integer or a simplified fraction.)
What is the standard deviation of the random variable X?
(Type an integer or a simplified fraction.)
Transcribed Image Text:Find E(X), Var(X), and the standard deviation of X, where X is the random variable whose probability table is given in the table below. Outcome 8 9 7 45 45 8 Probability 106 106 53 What is the expected value of the random variable X associated with the probability table given in the problem statement? E(X) = (Type an integer or a simplified fraction.) What is the variance of the random variable X? Var(X) = (Type an integer or a simplified fraction.) What is the standard deviation of the random variable X? (Type an integer or a simplified fraction.)
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