Class 11 CBSE Applied Maths Probability Exercise 12.1

Class 11 CBSE Applied Maths aims to develop an understanding of basic mathematical and statistical tools and their applications in the field of commerce (business/ finance/economics) and social sciences. Topics covered in Class 11th Applied Maths includes : Numbers, Quantification and Numerical Applications, Algebra, Calculus, Probability Distributions , Inferential Statistics, Index Numbers and Time-based data , Financial Mathematics , Linear Programming.


Please Select

Q1. Describe the sample space for the following experiments :

(i) Two coins are tossed.
(ii) One coin is tossed twice.
(ii) Three coins are tossed sinmultaneously
(iv) A coin is tossed, and if head comes up, a die is thrown.
(v) A card is drawn from a deck of playing cards, and its colour is noted.
(vi) A person is noting down the number of accidents along a busy road during a year.

Solution :



Q2. A box contains 1 red and 3 identical white balls. Two balls are drawn one by one without replacement. Write the sample space for this experiment

Solution :



Q3. Consider the experiment in which a coin is tossed repeatedly until a tail comes up for the first time. Describe the sample space

Solution :



Q4. In team A, there are 2 boys and 2 girls. In team B, there is one boy and 3 girls. First a team is chosen, and then a participant. Describe the sample space

Solution :



Q5. A coin is tossed. If it shows head, we draw a ball from a bag containing 3 blue and 4 white balls; if it shows a tail, we throw a die. Describe the sample space of the experiment

Solution :



Q6. Suppose 3 bulbs are selected at random from a lot. Each bulb is tested and classified as defective (D) or non-defective (N). Write the sample space of this experiment

Solution :



Q7. The numbers 1, 2, 3 and 4 are written separately on four slips of paper. The slips are then 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 of the experiment.

Solution :



Contact Us