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- Subject
- Probabilitymathematics-mcqs › probability
- Published
- 11 Jul 2019
- Last updated
- 28 May 2026
Explanation
There are a total of 3 + 4 + 6 + 2 = 15 marbles. The number of ways to choose 3 marbles all blue is 3 choose 3 = 1. The total number of ways to select any 3 marbles is 15 choose 3 = 455. Therefore, the probability of drawing 3 blue marbles is 1/455.
More Probability MCQs
Practice related questions from the same subject.
- 1.Which type of operation involves calculating the probability related to interest rates?
- 2.What is the probability that the total number of dots shown after rolling a die twice equals 8?
- 3.A drawer contains 4 white socks, 3 blue socks, and 5 grey socks. If two socks are drawn at random, what is the probability that both socks are of the same color?
- 4.What is the likelihood of selecting two clubs consecutively from a thoroughly shuffled standard deck of 52 cards?
- 5.What is the probability that in a group of 5 girls and 2 boys, no two boys sit next to each other when arranged for a photo?
- 6.If a single card is randomly selected from a standard deck of 52 cards, what is the probability of drawing either the queen of clubs or the king of hearts?
- 7.Two cards are drawn sequentially from a standard deck with replacement. What is the probability that the first card is red and the second card is a king?
- 8.In a group of 10 individuals working on a project, 4 are graduates. If 3 people are chosen at random, what is the probability that at least one of them is a graduate?
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