Moment generating function
X and Y are independent. Both X and Y have an exponential distribution. If X had mean 3 and Y had mean -2
a) Find the moment generating function Z=X+Y
b) Is Z an exponential distribution
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X and Y are independent. Both X and Y have an exponential distribution. If X had mean 3 and Y had mean -2. Find the moment generating function Z=X+Y
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