CBSE Class 11 Mathematics Probability Assignment Set A

Read and download free pdf of CBSE Class 11 Mathematics Probability Assignment Set A. Get printable school Assignments for Class 11 Mathematics. Class 11 students should practise questions and answers given here for Chapter 16 Probability Mathematics in Class 11 which will help them to strengthen their understanding of all important topics. Students should also download free pdf of Printable Worksheets for Class 11 Mathematics prepared as per the latest books and syllabus issued by NCERT, CBSE, KVS and do problems daily to score better marks in tests and examinations

Assignment for Class 11 Mathematics Chapter 16 Probability

Class 11 Mathematics students should refer to the following printable assignment in Pdf for Chapter 16 Probability in Class 11. This test paper with questions and answers for Class 11 Mathematics will be very useful for exams and help you to score good marks

Chapter 16 Probability Class 11 Mathematics Assignment

Probability MCQ Questions with Answers Class 11 Mathematics

 

Q.- A binary number is made up of 8 bits. The probability of an incorrect bit appearing is p and the errors in different bits are independent of one another. The probability of forming an incorrect number is
(a) P/8
(b) p8
(c) 1 – (1 – p)8
(d) (1 – p)8
Ans-(c)
 
Q.- Two numbers are chosen from {1, 2, 3, 4, 5, 6} one after the other without replacement. The probability that the smaller value of two is less than 4 is
(a) 4/5
(b) 1/15
(c) 1/5
(d) 14/15
Ans- (a)
 
Q.- Three of the six vertices of a regular hexagon are chosen at random. The probability that the triangle with three vertices is equilateral equals
(a) 1/2
(b) 1/5
(c) 1/10
(d) 1/20
Ans-(c) 
 
Q.- A determinant is chosen at random from the set of all determinants of order 2 with elements 0 or 1 only. The probability that value of the determinant chosen is positive is
(a) 16/81
(b)7/16
(c) 3/16
(d) none of these
Ans-(c) 
 
Q.- Four tickets marked 00, 01, 10 and 11 respectively are placed in bag. A ticket is drawn at random five times,being replaced each time. The probability that the sum of the numbers on the ticket is 15, is
(a) 3/1024
(b) 5/1024
(c) 7/1024
(d) none of these
Ans-(b) 
 
Q.- If the letters of the word ATTEMPT are written down at random, the chance that all Ts are consecutive is
(a) 1/42
(b)6/7
(c)1/7
(d) none of these
Ans-(c) 
 
Q.-  A coin is tossed again and again until a head appears or it has been tossed 3 times. Given that head does not appear on the first toss, the probability that the coin is tossed three times is
(a) 1/8
(b) 1/4
(c) 1/2
(d) none of these
Ans-(c) 
 
Q.- A coin is tossed again and again until a head appears or it has been tossed 3 times. Given that head does not appear on the first toss, the probability that the coin is tossed three times is
(a) 1/8
(b)1/4
(c)1/2
(d) none of these
Ans-(c) 
 
Q.- In reference to Q. 22 above, the probability that exactly two of the three balls are red, the first ball being red, is
(a) 1/3
(b) 4/7
(c) 15/28
(d) 5/28
Ans-(b)
 
Q.- Assume that in a family, each child is equally likely to be a boy or a girl. A family with three children is chosen at random. The probability that the eldest child is a girl given that the family has atleast one girl is
(a)1/2
(b)1/3
(c)2/3
(d)4/7
Ans-(d) 
 
Q.- If A and B are independent events such that 0 < P (A) < 1 and 0 < P (B) < 1, then which of the following is not correct ?
(a) A and B are mutually exclusive
(b) A and B’ are independent
(c) A’ and B are independent
(d) A’ and B’ are independent
Ans-(a) 
 
Q.- Three persons A, B and C fire at a target in turn, starting with A. Their probabilities of hitting the target are 0.4,0.3 and 0.2 respectively. The probability of two hits is
(a) 0.024
(b) 0.188
(c) 0.336
(d) 0.452
Ans-(b)
 
Q.-  Ram and Shyam throw with one dice for a prize of Rs 88 which is to be won by the player who throws 1 first. If Ram starts, then mathematical expectation for Shyam is
(a) Rs 32
(b) Rs 40
(c) Rs 48
(d) none of these
Ans-(b)
 
Q.- One bag contains 5 white and 4 black balls. Another bag contains 7 white and 9 black balls. A ball is transferred from the first bag to the second and then a ball is drawn from second. The probability that the ball is white, is
(a) 8/17
(b) 40/153
(c) 5/9
(d) 4/9
Ans-(d)
 
Q.- Three groups A, B, C are competing for positions on the Board of Directors of a company. The probabilities of their winning are 0.5, 0.3, 0.2 respectively. If the group A wins, the probability of introducing a new product is 0.7 and the corresponding probabilities for group B and C are 0.6 and 0.5 respectively. The probability that the new product will be introduced, is
(a) 0.18
(b) 0.35
(c) 0.10
(d) 0.63
Ans-(d)
 
Q.- A survey of people in a given region showed that 20% were smokers. The probability of death due to lung cancer, given that a person smoked, was 10 times the probability of death due to lung cancer, given that a person did not smoke. If the probability of death due to lung cancer in the region is 0.006, what is the probability of death due to lung cancer given that a person is a smoker
(a) 1/140
(b) 1/70
(c) 3/140
(d) 1/10
Ans-(c)

 

More Question

 

1. If a leap year is selected at random ,what is the chance that it will contain 53 Tuesdays?

2. If 12 persons are seated at round table ,what is the probability that two particular persons sit together?

3. from a group of 7 men and 4 ladies a committee of 6 persons is formed. What is the probability that the committee will consists of exactly 2 ladies?

4. A box contains 3 white , 4 red and 5 blue balls. If three balls are drawn at random, find the probability that

(i) all of them are white (ii) exactly one is white (iii) each ball is of different colour.

5. What is the probability of getting a total of less than 12 in throw of two dice?

6. Three dice are thrown together. Find the probability of getting a total of at least 6.

7. In a lottery of 50 tickets numbered 1 to 50, two tickets are drawn simultaneously. Find the probability that:

(i) both the tickets drawn have prime number,

(ii) none of the tickets drawn has prime number

(iii) one tickets has prime number.

8. A word is consists of 9 letters; 5 consonants and 4 vowels. Three letters are chosen at random. What is the probability that more than one vowel will be selected ?

9. Four persons are to be chosen at random from a group of 3 men, 2 women and 4 children . Find the probability of selecting :

(i) 1 man,1 woman and 2 children (ii) exactly two children

10. Twelve balls are distributed among three boxes, find the probability that the first box will contain three balls.

11. In a single throw of three dice, determine the probability of getting

(i) a total of 5 (ii) a total of at most 5 (iii) a total of at least 5.

12. In a lot of 12 microwave ovens, there are 3 defective units. A person has ordered 4 of these units and since each is identically packed, the selection will be random. what is the probability that

(i) all 4units are good (ii) exactly 3 units are good (iii) at least 2 units are good.

13. A five digit number is formed by 1,2,3,4,5 without repetition. find the probability that the number is divisible by 4.

14. The letters of the word 'FORTUNATES' are arranged at random in a row.What is the chance that the two ' T ' come together.

15. A class consists of 10 boys and 8 girls. Three students are selected at random. What is the probability that the selected group has

(i) 1 boy and two girls?

(ii) At least one girl?

(iii)At most one girl?

CBSE Class 11 Mathematics Probability Assignment Set A

Please click the below link to access CBSE Class 11 Mathematics Probability Assignment Set A


Chapter 16 Probability
CBSE Class 11 Mathematics Probability Assignment Set A
CBSE Class 11 Mathematics Probability Assignment Set B
CBSE Class 11 Mathematics Probability Assignment Set C
CBSE Class 11 Mathematics Probability Assignment Set D

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CBSE Class 11 Mathematics Chapter 16 Probability Assignment

We hope you liked the above assignment for Chapter 16 Probability which has been designed as per the latest syllabus for Class 11 Mathematics released by CBSE. Students of Class 11 should download and practice the above Assignments for Class 11 Mathematics regularly. We have provided all types of questions like MCQs, short answer questions, objective questions and long answer questions in the Class 11 Mathematics practice sheet in Pdf. All questions have been designed for Mathematics by looking into the pattern of problems asked in previous year examinations. 

Assignment for Mathematics CBSE Class 11 Chapter 16 Probability

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Chapter 16 Probability Assignment Mathematics CBSE Class 11

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Chapter 16 Probability Assignment CBSE Class 11 Mathematics

Regular assignment practice helps to get a more comprehensive understanding of Chapter 16 Probability concepts. Assignments play a crucial role in understanding Chapter 16 Probability in CBSE Class 11. Students can download all the assignments of the same chapter in Class 11 Mathematics in Pdf format. You can print them or read them online on your computer or mobile.

CBSE Mathematics Class 11 Chapter 16 Probability Assignment

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The Chapter 16 Probability Class 11 Mathematics Assignments have been designed based on latest CBSE syllabus for Class 11 Mathematics issued for the current academic year

Can I download and print these printable assignments for Mathematics Chapter 16 Probability Class 11

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How many topics are covered in Chapter 16 Probability Mathematics assignments for Class 11

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