An urn contains 4 white and 3 red balls. Find the probability distribution of the number of red balls in a random draw of three balls.

An urn contains 4 white and 3 Red balls. Find the probability distribution of the number of red balls in three draws when a ball is drawn at random with replacement . Also find its mean and variance.

An urn contains 4 white and 3 red balls. Find the probability distribution of the number of red balls in three draws, with replacement from an urn.

An urn contains 4 white and 3 red balls. Find the probability distribution of the number of red balls in three draws, with replacement from an urn.

An urn contains 4 white and 3 red balls. Let 'X' be the number of red balls in a random draw of three balls. Find the mean and variance of X.

An urn contains 4 white and 3 red balls.Let X be the number of red balls in a random draw of three balls.Find the mean and variance of X.

An urn contains 4 white and 3 red balls. Let X be the number of red balls in a random draw of 3 balls. Find the mean and variance of X.

An urn contains 4 white and 3 red balls. Let X be the number of red balls in a random draw of 3 balls. Find the mean and variance of X.

An urn contians 4 white and 3 red balls. Let X be the number of red balls in a random draw of 3 balls. Find the mean and variance of X.

An urn contains 3 white and 6 red balls. 4 balls are drawn one by one with replacement from the urn.Find the probability distribution of the number of red balls drawn. Also find mean and variance of the distribution.