Question Answers
Sahay Sir > Question Answers
11. In a lottery, a person choses six different natural numbers at random from 1 to 20, and if these six numbers match with the six numbers already fixed by the lottery committee, he wins the prize. What is the probability of winning the prize in the game? [Hint order of the numbers is not important.]
05
Nov
11. In a lottery, a person choses six different natural numbers at random from 1 to 20, and if these six numbers match with the six numbers already fixed by the lottery committee, he wins the prize. What is the probability of winning the prize in the game? [Hint order of the numbers is not [...]
Tags:
11. In a lottery ,
a person choses six different natural numbers at random from 1 to 20 ,
and if these six numbers match with the six numbers already fixed by the lottery committee ,
he wins the prize. What is the probability of winning the prize in the game? [Hint order of the numbers is not important.] ,
10. A letter is chosen at random from the word ‘ASSASSINATION’. Find the probability that letter is (i) a vowel (ii) a consonant
05
Nov
10. A letter is chosen at random from the word ‘ASSASSINATION’. Find the probability that letter is (i) a vowel (ii) a consonant 10. A letter is chosen at random from the word ‘ASSASSINATION’. Find the probability that letter is (i) a vowel (ii) a consonant November 5, 2021 Category: Chapter 16 - Probability , [...]
9. If 11/2 is the probability of an event, what is the probability of the event ‘not A’.
05
Nov
9. If 11/2 is the probability of an event, what is the probability of the event ‘not A’. 9. If 11/2 is the probability of an event what is the probability of the event ‘not A’. November 5, 2021 Category: Chapter 16 - Probability , Maths , NCERT Exemplar Class 11 ,
8. Three coins are tossed once. Find the probability of getting (i) 3 heads (ii) 2 heads (iii) atleast 2 heads (iv) atmost 2 heads (v) no head (vi) 3 tails (vii) exactly two tails (viii) no tail (ix) atmost two tails
05
Nov
8. Three coins are tossed once. Find the probability of getting (i) 3 heads (ii) 2 heads (iii) atleast 2 heads (iv) atmost 2 heads (v) no head (vi) 3 tails (vii) exactly two tails (viii) no tail (ix) atmost two tails 16. A die is thrown repeatedly untill a six comes up. What is [...]
7. A fair coin is tossed four times, and a person win Re 1 for each head and lose Rs 1.50 for each tail that turns up. From the sample space calculate how many different amounts of money you can have after four tosses and the probability of having each of these amounts.
05
Nov
7. A fair coin is tossed four times, and a person win Re 1 for each head and lose Rs 1.50 for each tail that turns up. From the sample space calculate how many different amounts of money you can have after four tosses and the probability of having each of these amounts. 16. A [...]
6. There are four men and six women on the city council. If one council member is selected for a committee at random, how likely is it that it is a woman?
05
Nov
6. There are four men and six women on the city council. If one council member is selected for a committee at random, how likely is it that it is a woman? 6. There are four men and six women on the city council. If one council member is selected for a committee at random [...]
5. A fair coin with 1 marked on one face and 6 on the other and a fair die are both tossed. find the probability that the sum of numbers that turn up is (i) 3 (ii) 12
05
Nov
5. A fair coin with 1 marked on one face and 6 on the other and a fair die are both tossed. find the probability that the sum of numbers that turn up is (i) 3 (ii) 12 5. A fair coin with 1 marked on one face and 6 on the other and a [...]
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.
05
Nov
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.
05
Nov
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?
05
Nov
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 ,