Question: Three independent exponential random variablesD,E, andF, all with parameters?. Convolution formula: 1. Using the convolution formula, what is the PDF ofZ=D+E? 2. Using the convolution

Three independent exponential random variablesD,E, andF, all with parameters?.

Convolution formula:

1. Using the convolution formula, what is the PDF ofZ=D+E?

2. Using the convolution formula, what is the PDF ofZ=D+E+F?

Three independent exponential random variablesD,E, andF, all with parameters?.Convolution formula:1. Using the

Continuous: fz(z) = fx (x) fy(z - x) dx The PMF (PDF) of Z is the convolution of the PMF (PDF) of X and Y

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