WORKSHEET-2 OF PROBABILITY

                                                                       

1. What is the probability of an impossible event?

a) 0

b) 1

c) 1/2

d) None of these

2. A coin is tossed. What is the probability of getting heads?

a) 1/2

b) 1/3

c) 2/3

d) 1/4

3. A die is rolled. What is the probability of getting an even number?

a) 1/2

b) 1/3

c) 2/3

d) 1/6

4. What is the sum of probabilities of all possible outcomes in an experiment?

a) 0

b) 1

c) 1/2

d) None of these

5. A bag contains 5 red balls and 3 blue balls. What is the probability of drawing a blue ball?

a) 3/8

b) 5/8

c) 1/2

d) 1/4

6. Two coins are tossed. What is the probability of getting at least one head?

a) 1/2

b) 3/4

c) 1/4

d) 1/8

7. A card is drawn from a deck of 52 cards. What is the probability of getting a heart?

a) 1/4

b) 1/3

c) 1/2

d) 1/13

8. What is the probability of an event that is certain to happen?

a) 0

b) 1

c) 1/2

d) None of these

9. A die is rolled. What is the probability of getting a number greater than 4?

a) 1/3

b) 2/3

c) 1/2

d) 1/6

10. Two dice are rolled. What is the probability of getting a sum of 7?

a) 1/6

b) 1/12

c) 2/3

d) 1/2

11. A bag contains 3 red balls and 5 blue balls. What is the probability of drawing a red ball?

a) 3/8

b) 5/8

c) 1/2

d) 1/4

12. A coin is tossed twice. What is the probability of getting heads both times?

a) 1/2

b) 1/4

c) 1/8

d) 1/16

13. What is the probability of an event that is impossible?

a) 0

b) 1

c) 1/2

d) None of these

14. A die is rolled. What is the probability of getting an odd number?

a) 1/2

b) 1/3

c) 2/3

d) 1/6

15. Two cards are drawn from a deck of 52 cards. What is the probability of getting two hearts?

a) 1/4

b) 1/13

c) 1/26

d) 1/52

16. A bag contains 2 red balls and 3 blue balls. What is the probability of drawing a blue ball?

a) 3/5

b) 2/5

c) 1/2

d) 1/4

17. A coin is tossed three times. What is the probability of getting heads all three times?

a) 1/2

b) 1/4

c) 1/8

d) 1/16

18. What is the sum of probabilities of all possible outcomes in an experiment?

a) 0

b) 1

c) 1/2

d) None of these

19. A die is rolled. What is the probability of getting a number less than 3?

a) 1/3

b) 2/3

c) 1/2

d) 1/6

20. Two dice are rolled. What is the probability of getting a sum of 11?

a) 1/6

b) 1/12

c) 2/3

d) 1/2