One box contains 8 black balls and 12 white balls. Another box contains 9 black and 6 white balls. One ball is taken from each box at random.What is probability of getting both black? What is the probabilty of getting both white? What is the probability of getting one black and one white?

A box contains 6 red beads and 5 white beads. Another box contains 8 red beads and 4 white beads. If one bead is taken from each box, then: What is the probability of getting at least one red bead?

A box contains 5 white balls and some black balls A ball is taken from the box a) What is the number of black balls If the probability of black ball is twice the probability of white balls

A box contains 6 red beads and 5 white beads. Another box contains 8 red beads and 4 white beads. If one bead is taken from each box, then: What is the probability of both beads being red?

A box contains 6 red, 5 blue and 4 green balls. 3 balls are drawn from the box. Find the probability that All are blue.

A box contains 6 red beads and 5 white beads. Another box contains 8 red beads and 4 white beads. If one bead is taken from each box, then:What is the probability that both beads are white?

A box contains four slips nümbered '1,2,3,4' and another box contains two slips numbered 1,2 If one slip is taken from each, what is the probability of the sum of numbers being odd? What is the probability of the sum being even?

An urn contains 4 black. 5 rvhite and 6 red balls. one ball is drawn at random. The probability that it is not black is

A box contains 6 red, 5 blue and 4 green balls. 3 balls are drawn from the box. Find the probability that Atleast one green ball.

A bag contains some black beads and some white beads. White beads are 8 in numbers. If a bead is taken from it, the probability of it being white is 1/3 a) How many beads are there in the bag? b) What is the probability of it being black?