Two balls are drawn from a bag containing `6` red and `4` yellow balls. Find the probability that atleast one of the ball is yellow?

Two balls are drawn from a bag containing 5 white and 7 black balls. Find the probability od selecting 2 white balls if

Two balls are drawn from a bag containing 5 white and 7 black balls. Find the probability of selecting 2 white balls if the first ball is not replaced before drawing the second.

Two balls are drawn at random with replacement from'a box containing 10 black and 8 red balls. Find the probability that both balls are red.

Two balls are drawn at random with replacement from'a box containing 10 black and 8 red balls. Find the probability that first ball is black and second ball is red.

Bag I contains 3 red and 4 black balls and bag II contains 4 red and 5 black balls. One ball is transferred from bag I to bag II and then ball is drawn from bag II. The ball so drawn is found to be red in colour. Find the probability that the transferred ball is black

Five balls are drawn successively from a bag containing 8 black and 9 blue balls. Tell whether or not the trials of drawing balls are Bernoulli trials when after each draw the ball drawn is not replaced in bag.

Five balls are drawn successively from a bag containing 8 black and 9 blue balls. Tell whether or not the trials of drawing balls are Bernoulli trials when after each draw the ball drawn is replaced.