Q300
A random variable X is defined by the double exponential distribution ρx(X) = ae-b|x| - ∞ < x < ∞ Where a and b are +ve constants. What is the relation between a and b so that ρx(X) is a probability density function?
A.
Answer
B.
C.
D.
Answer: Option A
Solution
Answer: Option A
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