[" 14.Four rotten oranges are accidentally mixed with "16" good ones.Three "],[" oranges are drawn at random from the mixed lot.Let "X" be the number of "],[" rotten oranges drawn.Find the mean and variance of "X]

Four defective oranges are accidentally mixed with sixteen good ones . Two oranges are drawn at random from the mixed lot. If the random variable X denotes the number of defective oranges then find the values of X and number of points in its iverse image.

Four defective oranges are accidentally mixed with sixteen good ones. Two oranges are drawn at random from the mixed lot. If the random variable 'X' denotes the number of defective oranges, then find the values of 'X' and number of points in its inverse image.

Four bad eggs are mixed with 10 good ones. Three eggs are drawn one by one without replacement. Let X be the number of bad eggs drawn. Find the mean and variance of X.

Two bad eggs are accidently mixed up with ten good ones.Three eggs are drawn at random with replacement from this lot.compute the mean for the number of bad eggs drawn.

Two bad eggs are accidently mixed up with ten good ones. Three eggs are drawn at random with replacement from this lot. compute the mean for the number of bad eggs drawn.

Five defective mangoes are accidenty mixed with 15 good ones. Four mangoes are drawn at random from this lot. Then the probabilty distribution of the number of defective mangoes is

Five defective mangoes are accidenty mixed with 15 good ones. Four mangoes are drawn at random from this lot. Then the probabilty distribution of the number of defective mangoes is

Five defective mangoes are accidently mixed with 15 good ones.Four mangoes are drawn at random from this lot.Find the probability distribution f the number of defective mangoes.

Three balls are drawn simultaneously from a bag containing 5 white and 4 red balls. Let X be the number of red balls drawn. Find the mean and variance of X.

Five defective mangoes are accidentally mixed with 15 good ones. Four mangoes are drawn at random from this lot. Find the probability distribution of the number of defective mangoes.