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 … WebMar 21, 2024 · The solution in your answer is correct. Here are two other methods. Method 1: The sample space consists of all selections of two of the ten marbles. There are ( 10 2) ways to select two of the ten marbles. The favorable events are selecting two red marbles or two blue marbles.
Probability problem on Balls - Math Shortcut Tricks
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A bag contains 10 white and 15 black balls. Two balls are drawn
WebDec 16, 2016 · A bag contains 3 red marbles, 2 blue marbles, and 5 green marbles. What is the probability of randomly selecting a blue marble, then without replacing it, randomly selecting a green marble? Algebra Linear Inequalities and Absolute Value Theoretical and Experimental Probability 1 Answer Tony B Dec 16, 2016 1 9 Explanation: Initial condition: … WebA bag has 8 white and blue balls. The number of white balls are five and the number of the blue balls are 3. One can pick two times with replacement. Calculate the chance that one will pick... 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. cleaners tabard