A box of oranges is inspected by examining three randomly selected oranges drawn without replacement. If all the three oranges are good, die box is approved for sale, otherwise, it is rejected. Find the probability that a box containing 15 orange

A box of oranges is inspected by examining three randomly selected oranges drawn without replacement.If all the three oranges are good,the box is approved for sale otherwise it is rejected.Find the probability that a fox containing 15 oranges out of which 12 are good and 3are bad ones will be approved for sale.

A box contains 6 distinct dolls.From this box, three dolls are randomly selected one by one with replacement.What is the probability of selecting 3 distinct dolls?

A box contains 6 distinct dolls. From this box, 3 dolls are randomly selected one by one with replacement. What is the probability of selecting 3 distinct dolls ?

Four balls are to be drawn without replacement from a box containing 8 red and 4 white balls.If X denotes the number of red balls drawn,find the probability distribution of X.

Twelve balls are distributed among three boxes,find the probability that the first box will contains three balls.

A bag contains six blue balls and two orange balls Three balls are chosen at random and without replacement. The probability that at least one orange ball is chosen, is

A box B_(1) contains 1 white ball, 3 red balls, and 2 black balls. An- other box B_(2) contains 2 white balls, 3 red balls. A third box B_(3) contains 3 white balls, 4 red balls, and 5 black balls. If 2 balls are drawn (without replecement) from a randomly selected box and one of the balls is white and the other ball is red the probability that these 2 balls are drawn from box B_(2) is