CBSE Class 12science  Independent Events Videos
More on Independent Events in Probability
Independent Events

doubt
 A bag contains 5 white balls and 9 red balls. Three balls are drawn from the bag. What is the probability that at least one ball is white?: Looks like answer posted as 55/182 is wrong. Request to recheck it once again.
 A bag contains 5 white balls and 9 red balls. Three balls are drawn from the bag. What is the probability that at least one ball is white?
 A bag contains 5 white balls and 9 red balls. Three balls are drawn, without replacement, from the bag. What is the probability that at least one ball is white?
 A bag contains 7 white , 5 Black and 4 red balls. 4 balls are drawn without replacement. Find the probability that atleast 3 balls are black.
 From a bag containing 8 white and 5 Black balls. Four balls are drawn one by one without replacement . Find the probability that exactly two of them are white.
 a bag contains 4 red ,6 green, 3 white balls ,three balls are drawn one after one the other without replacement,find the probability that the balls are red,green and green My doubt is How can we solve this question by combination ? The explanation given is
 Neelam has offered physics , chemistry and mathematic sin class XII. She estimates that her probabilities of receiving a grade A in these course are 0.2 , 0.3 and 0.9 respectively . Fins the probability that neelam receives : exactly 2A grades
 What are independent events?
 If A and B are independent events, such that P(A) = _{}, P(B) = _{}, then find _{}.