4-44. Suppose that the probability density function for a continuous random variable X is f (x) =...
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4-44. Suppose that the probability density function for a continuous random variable X is f (x) = -1 2x−1/2 0 < x < 1;
0 elsewhere.
Does X have a symmetrical probability density function? (Hint: Compare E(X) and γ0.5, with the latter determined from P(X ≤ γ0.5) =
4 γ0.5
−∞ f (x)dx = 0.5.)
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Related Book For
Advanced Statistics From An Elementary Point Of View
ISBN: 9780120884940
1st Edition
Authors: Michael J Panik
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