Random Variables and Probability Distributions
356 Appendix A Random Variables and Probability Distributions whereW 1 isacontinuous random variable. Ifthedistribution of W 1 isexponential with parameter 1, then the distribution function of W is F(x) = 0, if x < , 1 2 + 1 2 1 −e −x = 1 − 1 2 e , if x ≥ 0. This distribution function is neither continuous (since it has a discontinuity at x = 0) nor discrete (since it increases ...
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