WebSolving time: 3 mins. A bag contains 9 blue balls and 3 red balls. A ball is selected at random from the bag and its colour is recorded. The ball is not replaced. A second ball is … WebJan 29, 2024 · The question is: A bag contains 7 white balls and 3 red balls. A ball is taken and its colour noted. It is not replaced. A second ball is taken and its colour noted. Find …
A bag contains 8 red and 7 black balls. Two balls are drawn at …
WebThere are 3 balls in a bag: red, yellow and blue. One ball is picked out, and not replaced, and then another ball is picked out. The first ball can be red, yellow or blue. The probability is 1/3 for each of these. If a red ball is … WebA bag contains 8 red and 5 white balls. Three balls are drawn at random. Find the probability that: (i) All the three balls are white. (ii) All the three balls are red. (iii) One ball is red and two balls are white. Solution Total number of balls = 8 + 5 = 13 Total number of events for drawing 3 balls = 13 C 3 durham bulls terrace box
[Term 2] A bag contains 1 red and 3 white balls. Find probability dis
WebMar 29, 2024 · Total number of balls = 3 Number of balls which are red = 1 P (ball taken out red) = (𝑁𝑢𝑚𝑏𝑒𝑟 𝑜𝑓 𝑏𝑎𝑙𝑙𝑠 𝑤ℎ𝑖𝑐ℎ 𝑎𝑟𝑒 𝑟𝑒𝑑)/ (𝑇𝑜𝑡𝑎𝑙 𝑛𝑢𝑚𝑏𝑒𝑟 𝑜𝑓 𝑏𝑎𝑙𝑙𝑠) = 1/3 Example 2 A bag contains a red ball, a blue ball and a yellow ball, all ... WebOne ball is drawn at random from a bag containing 4 red balls and 6 white balls. What is the probability that the ball is (a) red? (b) green? (c) red or white? Problem 5. An ordinary die is tossed. What is the probability of getting a 3 or 4? Problem 6. From a deck of 52 ordinary playing cars, one card is drawn. Find the probability that it is (a) 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 the bag. If now a ball is drawn at random from the bag, then the probability that this drawn ball is red, is Q. An urn contains 8 red and 5 white balls. durham bulls t shirt