a box contains 2 red 3 blue and 4 black balls. if a ball is drawn at random then what is the probability that it is blue or blac

A bag contains 5 white and 8 black balls, 2 balls are drawn at random. Find a) The probability of getting both the balls white, when the first ball drawn, is replaced. b) The probabil..

Events are said to be independent if the occurrence of one event does not affect the occurrence of others. Observe in case(a) of above example, The probability of getting a white ball in the second draw does not depend on the occurrence of the event on the first draw. However i..

A box contains 4 red balls, 3 white balls, 2 blue balls, and 1 yellow ball. Ten balls are drawn at random. What is the probability that 8 a..

Urn 1 contains 4 red balls and 5 black balls. Urn 2 contains 3 red balls and 3 black balls. Urn 3 contains 2 red b..

A bag contains 2 red, 3 green, and 5 blue balls. If 3 balls are drawn at random, with replacement, what is the probability that all are green? => 10 1000 or 3 10 or 27 1..

A box contains 1 green ball, 2 white balls, 3 red balls and 4 blue balls. Select the figure which represents the probability distribution for getting a ball X. => Figure..

A box has 1 red ball, 1 green ball and 1 blue ball. 2 balls are drawn from the box one after the other, without replacing the first ball drawn. Using the tree diagram, find the nu..

An urn contains 6 red balls, 4 blue balls, and 5 white balls. A ball is selected and its color noted. Then it is replaced. A second ball is selected and its color noted. Find the probability of selec..

A bag contains 3 red balls and 4 blue balls. Carlos picked two balls one after the other. Which tree diagram shows all the possible outcomes? => Tree diagram 4 or Tree diagram 3 or Tree dia..

A bag contains 5 red balls, 4 green balls, and 3 white balls. If a person picks a ball at random, then find the probability that it is either a red ball or a green ball...