In a bag containing red and white balls
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 … WebThere are two bags A and B. Bag A contains 3 white and 4 red balls whereas bag B contains 4 white and 3 red balls. Three balls are drawn at random (without replacement) from one of the bags and are found to be two white and one red. Find the probability that these were drawn from bag B.
In a bag containing red and white balls
Did you know?
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 Class 12 >> Maths >> Probability WebJul 3, 2024 · in a bag containing red and white balls, half the number of white balls is equal to one third the number of red balls.thrice the total number of balls exceed seven times …
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 … WebMar 22, 2024 · Total number of balls in the bag = 5 + 3 = 8 Number of red balls = 3 Probability of getting a red ball = (𝑁𝑢𝑚𝑏𝑒𝑟 𝑜𝑓 𝑟𝑒𝑑 𝑏𝑎𝑙𝑙𝑠)/ (𝑇𝑜𝑡𝑎𝑙 𝑛𝑢𝑚𝑏𝑒𝑟 𝑜𝑓 𝑏𝑎𝑙𝑙𝑠) = 3/8 Ex15.1, 8 A bag contains 3 red balls and 5 black balls. A ball is drawn at random 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 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. WebDec 27, 2024 · A bag contains red balls and white balls. If five balls are to be pulled from the bag, with replacement, the probability of getting exactly three red balls is 32 times the …
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)
WebIf a bag containing red and white balls, half the number of white balls is equal to one-third the number of red balls. Thrice the total number of balls exceeds seven times the number … how humans came to earthWebQuestion. Suppose you have a bag containing 5 red balls, 4 green balls, and 3 blue balls. If you draw two balls at random from the bag without replacement, what is the probability … how humans can help climate changeWebA bag contains 5 red and 3 blue balls. If 3 balls are drawn at random without replacement the probability of getting exactly one red ball is A 19645 B 392135 C 5615 D 2915 Medium Solution Verified by Toppr Correct option is C) Probability of getting exactly one red (R) ball =P R⋅P Rˉ⋅P Rˉ+P Rˉ⋅P R⋅P Rˉ+P Rˉ⋅P Rˉ⋅P R high five training nsWebTwo balls are drawn from a bag containing 2 white balls and 7 red balls. If the first ball is replaced before the second is drawn, what is the probability that the following will occur? (Enter your probabilities as fractions.) (a) both balls are red (b) both balls are white (c) the first ball is red and the second is white (d) one of the balls ... highfiveuniversityWebThere 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 … how humans can cause erosionWebThere are two bags A and B. Bag A contains 3 white and 4 red balls whereas bag B contains 4 white and 3 red balls. Three balls are drawn at random (without replacement) from one of the bags and are found to be two white and one red. Find the probability that these were drawn from bag B. View More highfive updateWebAnswer (1 of 3): The three sequences that yield only one white ball are W-R-R, R-W-R, and R-R-W. W-R-R: On the first draw, the probability of getting a white ball is 6/10. On the second draw, the probability of drawing a red ball is then 4/9. On the third draw, the probability of drawing another... high five t shirt