A double exponential distribution, often called a Laplace
Chapter 4, Problem 4.2.5(choose chapter or problem)
A double exponential distribution, often called a Laplace distribution, has a probability density functionf (x) =1 2 e|x|for x , depending on two parameters and . Sketch the probability density function and cumulative distribution function of this distribution. What is the expectation of the distribution? If =3 and =2, calculate: (a) P(X 0) (b) P(X 1)
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