Consider a random variable x with density f(x) = ce^(-|x|) for x in (-infty, infty). c is a constant. What is the value of c? (Hint: to be a valid probability density, f must integrate to 1 over its domain.)
Consider a random variable X with density
f(x) = ce^(-|x|) for x in (-infty, infty).
What is the value of c? Hint: To be a valid probability density, f must integrate to 1 over its domain.