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3. Let X be a random variable with density fx(x). Suppose the density fx is symmetric about x = a; that is fx(a +
3. Let X be a random variable with density fx(x). Suppose the density fx is symmetric about x = a; that is fx(a + x) = fx( - x). In a couple of simple steps, show that E[X] = .
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Statistics For Engineers And Scientists
Authors: William Navidi
3rd Edition
73376345, 978-0077417581, 77417585, 73376337, 978-0073376332
