WebA 82/143 В 7/11 C) 41/65 D 3/5. One bag contains 6 white balls, 3 red and 4black balls, and a second bag contains 4white balls and 6 black balls. One ball is drawn from the first bag and placed unseen in the second bag. WebAug 11, 2024 · There are 3 bags, each containing 5 white and 3 black balls. Also, there are 2 bags, each containing 2 white and 4 black balls. A white ball is drawn at random. Find the probability that this ball is from a bag of the first group. probability class-12 1 Answer +1 vote answered Aug 11, 2024 by Kanishk01 (46.1k points)
Probability – Mathematics GCSE Revision – Revision Maths
WebMay 4, 2024 · A box contains 28 red balls, 20 green balls, 19 yellow balls, 13 blue balls, 11 white balls, and 9 black balls. What is the minimum number of balls that must be drawn from the box without replacement to guarantee that at least 15 balls of a single color will be drawn ? A. 75 B. 76 C. 79 D. 84 E. 91 WebThe first bag contains 4 white and 5 black balls and the second bag contains 5 white and 4 black balls. ... (D C) = 1 6 × 28 55 + 5 18 × 6 11 + 5 9 × 6 11 = 14 165 + 5 33 + 10 33 = 14 + 25 + 50 165 = 89 165. Suggest Corrections. 3. Similar questions. Q. There are two bags A and B. Bag A contains 3 white and 4 red balls whereas bag B contains ... population by age group usa
A bag contains 15 red and 20 black balls. Each ball is
WebMay 13, 2024 · There are 12 red balls, 10 blue balls, 15 green balls and 9 black balls in a bag. What is the minimum number of balls to be taken out of the bag to assure that you have all the balls of one color? A. 10 B. 16 C. 23 D. 42 E. 43 Show Answer L Bunuel Math Expert Joined: 02 Sep 2009 Posts: 88718 Own Kudos [? ]: 535404 [ 2] Given Kudos: 71511 WebA bag contains 15 red and 20 black balls. Each ball is numbered 1,2 or 3. 20% of red balls are numbered 1 and 40% are numbered 3. Similarly 45% of black balls are numbered 2 … WebJan 18, 2024 · Give two boxes B1 and B2 one have 50 red marbles and other have 50 blue marbles. A ball is selected randomly from any of the box and the task is to maximize the probability of selecting a red ball, by reshuffling marbles in both the boxes. Solution: Let P (R) be the probability of picking a red marble. shark steam and scrub mop s7000