Use the integral routine to convince yourself that - x 2 f(x) dx = 1,
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Use the integral routine to convince yourself that ∫∞-∞ x2 f(x) dx = 1, where f (x) is the standard normal density function. Conclude that the standard deviation of the standard normal random variable is 1.
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Related Book For
Calculus And Its Applications
ISBN: 9780134437774
14th Edition
Authors: Larry Goldstein, David Lay, David Schneider, Nakhle Asmar
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