WebFinal answer Step 1/3 18 black balls and 12 red balls Therefore total balls = 18 + 12 = 30 Pick 4 balls randomly so the number of ways to select 4 balls from 30 balls n (s) = 10 C 4 … WebThere are 25 black balls and white balls in two boxes, and at least 1 black ball and1 white ball are in each box. Take a ball out from each box. If the probability that both balls are black is 27 what 50 is the probability that both balls are white? 23 (D) 50 5 13 (A) 50 (B) 50 (C) 50 Question thumb_up 100%

Solved Question 2: I have three bags that each contain 100 - Chegg

WebQuestion: Question 2: I have three bags that each contain 100 balls. Bag 1 has 75 red and 25 blue balls; bag 2 has 60 red and 40 blue balls; bag 3 has 45 red and 55 blue balls. I choose one of the bags at random and then pick a ball from the chosen bag, also at random. WebThere can be 5 cases: 6 Red or 5 Red or 4 Red or 3 Red or 2 Red. We assume that each case has a probability of 5 1 ... contains 3 red & 4 black balls & bag (ii) contains 5 red & 6 black balls. If one ball is drawn at random from one of the bags and found to be red then the probability that it was drawn from bag(ii) is 35/68. Reason phone cover with circle holder

A bag contains 15 red and 20 black balls. Each ball is numbered 1,2 or

WebAn urn contains 5 red and 5 black balls. A ball is drawn at random, its colour is noted and is returned to the urn. Moreover, 2 additional balls of the colour drawn are put in the urn and then a ball is drawn at random. What is the probability that the second ball is red ? WebBag A contains 4 red and 5 black balls and bag B contains 3 red and 7 black balls. One ball ... 9,452 views Sep 10, 2024 To ask Unlimited Maths doubts download Doubtnut from -... WebA bag contains 4 red and 6 black balls. A ball is drawn at random from the bag, its colour is observed and this ball along with two additional balls of the same colour are returned to … phone cover with personal picture