Consider X∼Exp(λ)X \sim Exp(\lambda)X∼Exp(λ). What is the median?
ln(2)/λ\ln(2)/\lambdaln(2)/λ
1/λ1/\lambda1/λ
λln(2)\lambda \ln(2)λln(2)
ln(1/λ)\ln(1/\lambda)ln(1/λ)