0 votes 0 votes Given that $x$ is a random variable in the range $[0,\infty]$ with a probability density function $\frac{e \frac{-x}{2}}{K}$, the value of the constant $K$ is __________. Probability and Statistics gate2014-in numerical-answers probability-and-statistics probability probability-density-function + – Milicevic3306 asked Mar 25, 2018 • recategorized Mar 20, 2021 by Lakshman Bhaiya Milicevic3306 7.9k points answer See all 0 reply