Chapter 16 – Probability

5. Three coins are tossed. Describe (i) Two events which are mutually exclusive. (ii) Three events which are mutually exclusive and exhaustive. (iii) Two events, which are not mutually exclusive. (iv) Two events which are mutually exclusive but not exhaustive. (v) Three events which are mutually exclusive but not exhaustive 5. Three coins are tossed. [...]

4. Three coins are tossed once. Let A denote the event ‘three heads show”, B denote the event “two heads and one tail show”, C denote the event” three tails show and D denote the event ‘a head shows on the first coin”. Which events are 4. Three coins are tossed once. Let A denote [...]

3. An experiment involves rolling a pair of dice and recording the numbers that come up. Describe the following events: A: the sum is greater than 8, B: 2 occurs on either die C: the sum is at least 7 and a multiple of 3. Which pairs of these events are mutually exclusive? 3. An [...]

2. A die is thrown. Describe the following events: (i) A: a number less than 7 (ii) B: a number greater than 7 (iii) C: a multiple of 3 (iv) D: a number less than 4 2. A die is thrown. Describe the following events: (i) A: a number less than 7 (ii) B: a [...]

1. A die is rolled. Let E be the event “die shows 4” and F be the event “die shows even number”. Are E and F mutually exclusive? 1. A die is rolled. Let E be the event “die shows 4” and F be the event “die shows even number”. Are E and F mutually [...]

15. A coin is tossed. If it shows a tail, we draw a ball from a box which contains 2 red and 3 black balls. If it shows head, we throw a die. Find the sample space for this experiment. 15. A coin is tossed. If it shows a tail we draw a ball from [...]

14. An experiment consists of rolling a die and then tossing a coin once if the number on the die is even. If the number on the die is odd, the coin is tossed twice. Write the sample space for this experiment. 14. An experiment consists of rolling a die and then tossing a coin [...]

13. The numbers 1, 2, 3 and 4 are written separatly on four slips of paper. The slips are put in a box and mixed thoroughly. A person draws two slips from the box, one after the other, without replacement. Describe the sample space for the experiment. 13. The numbers 1 2 3 and 4 [...]

16. A die is thrown repeatedly untill a six comes up. What is the sample space for this experiment? 16. A die is thrown repeatedly untill a six comes up. What is the sample space for this experiment? November 5, 2021 Category: Chapter 16 - Probability , Maths , NCERT Exemplar Class 11 ,