E(X) AND VAR(X)

The random variable x has E(X) = 1 and VAR(X) = 2

Find E(8X)

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Tags

CCSS.HSS.MD.A.2

The random variable X has E(X) = 1 and Var(X) = 2.

Find E(X + 3)

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Tags

CCSS.HSS.MD.A.2

The random variable X has E(X) = 1 and Var(X) = 2.

Find VAR(X + 3)

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The random variable X has E(X) = 1 and Var(X) = 2.

Find E(3X)

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The random variable X has E(X) = 1 and Var(X) = 2.

Find VAR(1-2X)

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The random variable X has E(X) = 1 and Var(X) = 2.

Find E(X²)

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X is a discrete random variable. The random variable Y is defined by Y=4X - 6

Given that E(Y) = 2 and Var(Y) = 32, Find E(X)

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Tags

CCSS.HSS.MD.A.2

X is a discrete random variable. The random variable Y is defined by Y=4X - 6

Given that E(Y) = 2 and Var(Y) = 32, Find VAR(X)

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