A random variable X has a distribution given by the probability density function f(X) = (1 -

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A random variable X has a distribution given by the probability density function f(X) = (1 - x)/2 with a state space - 1 < x < 1.
(a) What is the expected value of X?
(b) What is the standard deviation of X?
(c) What is the upper quartile of X?
Distribution
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