when a distribution is half its center of mass, the probability r value is what is center of mass in r what is the expected value of a random variable in r what is center of mass in r what does it mean when the cumulative value of a distribution is equal to.50? what is x value of gamma distribution what is the expected value of the gamma distribution? what is meant by gamma curve? r how to find center of mass in gamma distribution what's the center of a probability distribution? r how to find center of mass distribution when the center of mass is equal to x which distribution should i find the center of mass? what is the correlation between the center of mass and the cumulative distribution? how to find expected distribution which function of r gives the expected value of the distribution what is the point at which the center of the distribution of a probability distribution lies on either side? what is the r value for center of mass how to determine what the center of mass of a distribution is which distribution is the center of mass?