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Using this law allows us to obtain x as a multiplier. First step - take ln of both sides. â‡’ lnex = ln2 â‡’ xlne1 = ln2 â‡’ x = ln2. Answer link.

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x is the value of the continuous random variable X. P(x) is the probability mass function of X. Properties of expectation Linearity. When a is constant and X,Y are random variables: E(aX) =

Simplify (e^ (-x))^2 (eâˆ’x)2 ( e - x) 2 Apply the power rule and multiply exponents, (am)n = amn ( a m) n = a m n. eâˆ’xâ‹…2 e - x â‹… 2 Multiply 2 2 by âˆ’1 - 1. eâˆ’2x e - 2 x

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