what is normal distributions of all random variables? what is the marginal distribution of an mvn is a marginal vector a normal distribution what is the difference between a marginal and joint range what does jointly normal mean why is the x n vector a marginal distribution what is joint normality mean what is jointly normal distribution does joint normal mean marginal normality what's the definition of joint normality what means jointly normal what is joint normality what does joint normal mean what does joint normality imply what is joint normal distribution what does the term jointly normal mean what is the function of the term jointly normal what is the difference between a marginal normality and a joint normality in terms of variables what does joint normality mean which distributions are usually distributed