WebA bag contains 5 red balls, 4 green balls and 1 blue ball. A ball is chosen at random from the bag and not replaced; then a second ball is chosen. What is the probability that none of the selected balls is red? You already have some great answers, but I thought i’d lay it out pictorially in case it’s helpful. WebExample 4: There are 4 marbles in black and 3 marbles in red in a jar. 2 marbles need to be drawn without replacement. Find the probability of finding. a] 2 black marbles. b] one black and one red marble. c] one red and one black marble. d] two white marbles. e] at least one red marble. f] exactly one red marble. Answer: Black marble = 4. Red ...
A bag contains 15 balls of which some are white and others are red…
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Probability Without Replacement
WebNumber of white balls = 7. Number of red balls = 5. Calculation: Total number of balls = (5 + 7 + 3) = 15. Number of red balls = 5. ∴ Probability that the ball is neither white nor green = … WebCalculate the Probability : Total number of balls = 6 + 5 + 4 = 15. If two balls are drawn, then the total number of cases = C 2 15. The number of cases that, none of the balls are red (5 … WebNov 16, 2024 · In a bag there are 15 red and 5 white balls Two balls are drawn in succession, without replacement. The first drawn ball is found to be red. The probability … ccs g-cloud 12 - rm1557.12