An urn contains 5 red and 2 black balls. Two balls are randomly drawn. Let X represent the number of black balls. What are the possible values of X? Is X a random variable?

An urn contains 6 red and 3 black balls. Two balls are randomly drawn. Let X represents the number of black balls. What are the possible values of X?

An urn contains 5 red and 2 black balls . Two balls are randomly drawn. Let X represent the numbers of blacks balls. What are the possible values of X? is X is a random variable?

An urn contains 6 red and 3 black balls. Two balls are randomly drawn. Let x presents the number of black balls. What are the possible value of x?

An urn contains 5 red and 2 black identical balls. Two balls are randomly drawn. Let X represent the number of black balls. What are the values of X? Is X a random variable?

An urn contains 5 red and 5 black balls. Two balls are randomly selected. Let X represent the number of black balls. What are the possible values of X. is X a random variable?

An urncontains 5 red and 2 black balls. Two balls are randomly selected. Let x represent the number of black balls. What are the possible valuesof X ? Is X a random variable ?

An urn contains 5 red 2 black balls.Two balls are randomly drawn,without replacement.Let X represent the number of black balls drawn. What are the possible values of X? Is X a random variable ? if yes,find the mean and variance of X.

An urn contains 5 red 2 black balls. Two balls are randomly drawn, without replacement. Let X represent the number of black balls drawn. What are the possible values of X? Is X a random variable ? if yes, find the mean and variance of X.