CBSE Class 12 Mathematics Probability Worksheet Set C

Read and download free pdf of CBSE Class 12 Mathematics Probability Worksheet Set C. Download printable Mathematics Class 12 Worksheets in pdf format, CBSE Class 12 Mathematics Chapter 13 Probability Worksheet has been prepared as per the latest syllabus and exam pattern issued by CBSE, NCERT and KVS. Also download free pdf Mathematics Class 12 Assignments and practice them daily to get better marks in tests and exams for Class 12. Free chapter wise worksheets with answers have been designed by Class 12 teachers as per latest examination pattern

Chapter 13 Probability Mathematics Worksheet for Class 12

Class 12 Mathematics students should refer to the following printable worksheet in Pdf in Class 12. This test paper with questions and solutions for Class 12 Mathematics will be very useful for tests and exams and help you to score better marks

Class 12 Mathematics Chapter 13 Probability Worksheet Pdf

 

PROBABILITY
 
1) In a class, having 60% boys, 5% of boys and 10% of girls have an IQ of more than 150.A student is selected at random and found to have an IQ of more than 150. Find the probability that the selected student is a boy.
 
2) A pair of dice is thrown 6 times. Getting a total of 7 on the two dice is considered a success. Find the Probability of getting (i) at least 5 successes (ii) exactly 5 successes.
 
3) A pair of dice is thrown 4 times . If getting a doublet is considered a success, find the probability distribution of number of successes.
 
4) Two cards are drawn simultaneously from a well packed deck of 52 cards . Find the mean and standard deviation of the number of the kings
 
5) Three Bags contain balls as shown in the table below

CBSE Class 12 Mathematics Probability Worksheet Set C 1

A bag is chosen at random and two balls are drawn from it .They Happen to be white and red. What is probability that they came from the III bag.
 
6) On a multiple choice examinations with three possible answers ( out of which only one is correct) for each of the five questions, what is the probability that a candidate should get four or more correct answers just by guessing.
 
7) Suppose that 5% of men and 0.25% of women have grey hair , A Grey Haired person is selected at random . What is the probability of this person being a male. Assume that there are equal number of males and Females.
 
8) A random Variables X has the following probability distribution

CBSE Class 12 Mathematics Probability Worksheet Set C 2

 Find (i) k (ii) P(X<4) (iii)P(X ≤2) (iv) P ( 0
 
9) Bag 1 contains 3 red and 4 black balls and Bag 2 Contains 4 red and 5 Black balls. Two balls are transferred at random from Bag1 to Bag2. The ball so drawn is red in colour.Find the probability that the transferred balls were both black.
 
10) In an examination , an examinee either guesses or copies or knows the answer of multiple choice question with 4 choice. The probability that he makes a guess is 1/3 and the probability he copies is 1/6.Find the probability that his answer is correct, given that he copied it is 1/8. Find the probability that he knew the answer to the question, given that he correctly answered it.
 
11) By Examining the chest X ray, probability that T.B is detected when a person is actually suffering is 0.99 the probability that the doctor diagnose incorrectly that a person has TB on the basis of Xray is 0.001. In a certain city 1 in 1000 person suffers from TB. A person selected at random is diagnosed to have TB . What is the chance that he actually has TB.
 
12) In a group of 50 scouts in a camp, 30 are well trained in first aid, remaining are well trained in hospitality and not first aid. 2 scouts are selected at random.Find the probability distribution of the no. of selected scouts who are well trained in first aid.Find the mean of the distribution.Write one more value which is expected from a scout.
 
13) In a group of 30 scientists working on an experiment,20 never commit error in their wok and report results elaborately.Two scientists are selected at random .Find the probability distribution of no. of selected scientists who never commit error in work.Also find the mean of the distribution.What values are described in this question.
 
14) It is known that 10% of certain articles manufactured are defective. What is the probability that in random sample of 12 such articles , 9 are defective?
 
15) The probability of a shooter hitting a target is ¾ . How many minimum number of times must he /she fire so that the probability of hitting the target at least once is more than 0.99?

 

Please click on below link to download CBSE Class 12 Mathematics Probability Worksheet Set C

CBSE Class 12 Mathematics Chapter 13 Probability Worksheet

The above practice worksheet for Chapter 13 Probability has been designed as per the current syllabus for Class 12 Mathematics released by CBSE. Students studying in Class 12 can easily download in Pdf format and practice the questions and answers given in the above practice worksheet for Class 12 Mathematics on a daily basis. All the latest practice worksheets with solutions have been developed for Mathematics by referring to the most important and regularly asked topics that the students should learn and practice to get better scores in their examinations. Studiestoday is the best portal for Printable Worksheets for Class 12 Mathematics students to get all the latest study material free of cost.

Worksheet for Mathematics CBSE Class 12 Chapter 13 Probability

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Chapter 13 Probability worksheet Mathematics CBSE Class 12

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Chapter 13 Probability CBSE Class 12 Mathematics Worksheet

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Worksheet for CBSE Mathematics Class 12 Chapter 13 Probability

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