A Bag Contains 8 Red And 5 White Balls. I Number of black balls 7. Two successive draws of 3 balls are made without replacement.
I Number of black balls 7. Number of green balls 4. Total number of balls in a bag 578 20 balls Probability that first ball is white 520 Probability that second ball is white 419 As the balls are drawn one by one without replacement.
If one ball is drawn at random find the probability that it is i black.
Find the probability that the first drawing will give 3 white balls and second drawing will give 3 red balls. Therefore on the second selection there is a 37 probability of it being white. Number of black balls 7. A bag contains 8 red and 5 white balls.
