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    Exponential Distribution

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    For an EXPONENTIAL DISTRIBUTION: Show that the mean and the variance are: E[x]=theta and Var[x]=theta^2 ,respectively. To be done using summation or another method (Do not use the moment generating function (M.G.F)).

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    Let X be an Exponential random variable with probability density function

    Solution Summary

    The determination of mean and variance of an exponential distribution is discussed in the solution.