Probability
Probability - Important Points
| 1. | A fair six-sided die is rolled. What is the probability of rolling an even number? |
|---|
A. 1/3
B. 1/2
C. 2/3
D. 1/6
E. 1/4
View Answer Discuss Work SpaceAnswer: option b
Explanation:
There are three even numbers (2, 4, and 6) out of six possible outcomes (1 to 6). Therefore, the probability of rolling an even number is 3/6, which simplifies to 1/2.
| 2. | In a bag, there are 5 red balls, 3 green balls, and 2 blue balls. If one ball is randomly drawn, what is the probability of getting a green ball? |
|---|
A. 1/4
B. 1/5
C. 3/10
D. 3/9
View Answer Discuss Work SpaceAnswer: option c
Explanation:
| 3. | A deck of 52 cards contains 4 suits (hearts, diamonds, clubs, and spades) with 13 cards each. What is the probability of drawing a heart or a diamond from the deck? |
|---|
A. 1/4
B. 1/2
C. 3/4
D. 2/5
View Answer Discuss Work SpaceAnswer: option b
Explanation:
| 4. | A spinner is divided into 8 equal sections, numbered from 1 to 8. What is the probability of landing on a multiple of 3? |
|---|
A. 1/2
B. 1/4
C. 3/8
D. 1/3
View Answer Discuss Work SpaceAnswer: option c
Explanation:
| 5. | A bag contains 6 red marbles and 4 blue marbles. Two marbles are drawn randomly without replacement. What is the probability of getting two red marbles? |
|---|
A. 1/5
B. 3/10
C. 2/5
D. 3/5
View Answer Discuss Work SpaceAnswer: option b
Explanation:
Probability Questions and Answers FAQ
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