Find the probability density function f and the associated cumulative distribution function F for the continuous random variable X ifX is an exponential random variable with ? = 
.
A. f(x) = 
F(x) = 
B. f(x) = 
F(x) = 
C. f(x) = 
F(x) = 
D. f(x) = 
F(x) = 
Answer: D
Mathematics
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