140k views
10 votes
In a class of 28 students, 16 play an instrument and 11 play a sport. There are

7 students who do not play an instrument or a sport. What is the probability
that a student plays an instrument given that they play a sport?

1 Answer

6 votes

Answer: 6/11

Explanation:

28 - 7 = 21

16 + 11 - 21 = 6

11 - 6 = 5

16-6 = 10

10 + 5 15

P (a) = 16/28

p (b) = 11/28

A I B = 6/28/11/28 = 6/11

User Wfarr
by
8.2k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories