Let X be a continuous random variable with the density function f(x) = 2x,
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a. Find E(X). b. Find E(X2) and Var(X).

answer: i can’t tell you that

step-by-step explanation:

y = 2x

step-by-step explanation:

if you divide each number in the sequence, you'll see that they all have a multiple factor of 2. each number in the series, and any other numbers which may continue, will be multiplied by 2. therefore, y is the next number in the sequence, and x is the current one, so, our formula will be y = 2x.

step-by-step explanation:

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