Chapter 16 – Probability

4. A card is selected from a pack of 52 cards. (a) How many points are there in the sample space? (b) Calculate the probability that the card is an ace of spades. (c) Calculate the probability that the card is (i) an ace (ii) black card. 16. A die is thrown repeatedly untill a [...]

3. A die is thrown, find the probability of following events: (i) A prime number will appear, (ii) A number greater than or equal to 3 will appear, (iii) A number less than or equal to one will appear, (iv) A number more than 6 will appear, (v) A number less than 6 will appear. [...]

2. A coin is tossed twice, what is the probability that atleast one tail occurs? 2. A coin is tossed twice what is the probability that atleast one tail occurs? November 5, 2021 Category: Chapter 16 - Probability , Maths , NCERT Exemplar Class 11 ,

1. Which of the following can not be valid assignment of probabilities for outcomes of sample Space S = {ω1, ω2, ω3, ω4, ω5, ω6, ω7 } (e) 1/14 2/14 3/14 4/14 5/14 6/14 15/14 1. Which of the following can not be valid assignment of probabilities for outcomes of sample Space S = {ω1 [...]

1. Which of the following can not be valid assignment of probabilities for outcomes of sample Space S = {ω1, ω2, ω3, ω4, ω5, ω6, ω7 } (d) – 0.1 0.2 0.3 0.4 – 0.2 0.1 0.3 1. Which of the following can not be valid assignment of probabilities for outcomes of sample Space S [...]

1. Which of the following can not be valid assignment of probabilities for outcomes of sample Space S = {ω1, ω2, ω3, ω4, ω5, ω6, ω7 } (c) 0.1 0.2 0.3 0.4 0.5 0.6 0.7 1. Which of the following can not be valid assignment of probabilities for outcomes of sample Space S = {ω1 [...]

1. Which of the following can not be valid assignment of probabilities for outcomes of sample Space S = {ω1, ω2, ω3, ω4, ω5, ω6, ω7 } (b) 1/7 1/7 1/7 1/7 1/7 1/7 1/7 1. Which of the following can not be valid assignment of probabilities for outcomes of sample Space S = {ω1 [...]

1. Which of the following can not be valid assignment of probabilities for outcomes of sample Space S = {ω1, ω2, ω3, ω4, ω5, ω6, ω7 } (a) 0.1 0.01 0.05 0.03 0.01 0.2 0.6 1. Which of the following can not be valid assignment of probabilities for outcomes of sample Space S = {ω1 [...]

7. Refer to question 6 above, state true or false: (give reason for your answer) (i) A and B are mutually exclusive (ii) A and B are mutually exclusive and exhaustive (iii) A = B′ (iv) A and C are mutually exclusive (v) A and B′ are mutually exclusive. (vi) A′, B′, C are mutually [...]

6. Two dice are thrown. The events A, B and C are as follows: A: getting an even number on the first die. B: getting an odd number on the first die. C: getting the sum of the numbers on the dice ≤ 5. 6. Two dice are thrown. The events A B and C [...]