The chi-squared random variable with k degrees of freedom has moment-generating function MX (t)=(12t) k / 2.
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The chi-squared random variable with k degrees of freedom has moment-generating function MX (t)=(1−2t)− k / 2. Suppose that X1 and X2 are independent chi-squared random variables with k1 and k2 degrees of freedom, respectively. What is the distribution of Y = X1 + X2?
DistributionThe word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...
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Related Book For 
Applied Statistics And Probability For Engineers
ISBN: 9781118539712
6th Edition
Authors: Douglas C. Montgomery, George C. Runger
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