A variable or what will be called the random variable from now on, is represented by the letter X and it represents a quantitative (numerical) variable that is measured or observed in an experiment. N...A variable or what will be called the random variable from now on, is represented by the letter X and it represents a quantitative (numerical) variable that is measured or observed in an experiment. Now, we could define the random variable X to denote the sum of the two rolls, then X = {2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12} and event E corresponds to x = 5.
A variable or what will be called the random variable from now on, is represented by the letter X and it represents a quantitative (numerical) variable that is measured or observed in an experiment. N...A variable or what will be called the random variable from now on, is represented by the letter X and it represents a quantitative (numerical) variable that is measured or observed in an experiment. Now, we could define the random variable X to denote the sum of the two rolls, then X = {2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12} and event E corresponds to x = 5. A continuous random variable is a variable that has an infinite number of possible values in an interval of numbers.