2. Let the random variable X have pdf f(x)=x-c...
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2. Let the random variable X have pdf f(x)=x²-c<x<c. (a) What must the constant e be so that f(x) is a valid pdf? (b) find the distribution function, F(x) = P(X < x) (c) sketch graphs of the pdf f(x) and the cdf F(x) and indicate their connection (d) find the mean, variance and standard deviation of X. 2. Let the random variable X have pdf f(x)=x²-c<x<c. (a) What must the constant e be so that f(x) is a valid pdf? (b) find the distribution function, F(x) = P(X < x) (c) sketch graphs of the pdf f(x) and the cdf F(x) and indicate their connection (d) find the mean, variance and standard deviation of X.
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International Economics
ISBN: 978-1429278447
3rd edition
Authors: Robert C. Feenstra, Alan M. Taylor
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