1. Out of 300 students in a school, 95 play cricket only, 120 play football only, 80 play volleyball only and 5 play no
games. If one student is chosen at random, find the probability that
(i) he plays volleyball
Answers
(i) Probability that he plays volleyball = 0.26
No of students = 300
No of football players = 120
No of volleyball players = 80
No of cricket players = 95
No of students who doesn't do games = 5
Probability of the randomly chosen student playing volleyball = 80/300
= 4/15
= 0.26
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The probability of a randomly chosen student playing volleyball is 4/15
Given,
Total no. of students=300
No. of students playing football only=120
No. of students playing volleyball only=80
No. of students playing neither of the games=5
To find,
Probability of a student randomly chosen playing volleyball
Solution,
This probability problem can be easily solved by using the following formula,
Probability= Number of favourable outcomes/ Total number of possible outcomes
So here, Probability of a randomly chosen student playing volleyball =No. of students playing volleyball/ Total no. of students playing games
= 80/300
=4/15
The probability of a randomly chosen student playing volleyball is 4/15