Coloured balls are distributed in four boxes as shown in the following table: A box is selected at random and then a ball is randomly drawn from the selected box. The colour of the ball is black, what is the probability that ball drawn is from the box III?

Coloured balls are distributed in four boxes as shown in the following table: A box is selected at random and then a ball is randomly drawn from the selected box. The colour of the ball is black. What is the probability that ball drawn is from box III?

Coloured balls are distributed in four boxes as shown in the following table: A box is selected at random and then a box is randomly drawn from the selected box. The colour of the ball is black, what is the probability that ball is drawn from the box III?

Coloured balls are distributed in four boxes as shown in the figure A box is selected at random and then a ball is randomly drawn from the selected box. The colour of the ball is black, what is the probability that ball drawn is from the box III?

Coloured balls are distributed in three bags as shown in the following table: A bag is selected at random and then two balls are randomly drawn from the selected bag. They happen to be black and red. Find the probability that they come from bag I?

Coloured balls are distributed in four boxes as shown in the following table: Box Colour Black White Red Blue I II III IV 3 2 1 4 4 2 2 3 5 2 3 1 6 2 1 3 A box is selected at random and then a ball is randomly drawn from the selected box. The colour of the ball is black, what is the probability that ball drawn is from the box III.

Numbers of balls in three boxes are as follows. One box is selected of random and two balls are drawn which are of red colour and white colour each. What is the probability that selected ball is of from box 1 ?

A box contains 4 orange and 4 green balls, another box contains 3 orange and 5 groen balls, one of the two box is selected at random and a ball is drawn from the box, which is found to be orange. Find the probability that the ball is drawn from the first box.