In a school, 40% of students play football (event ), 30% play basketball (event )
MATHEMATICS · Single correct · A Level · Mathematics · Probability · Probability
Problem
In a school, 40% of students play football (event F), 30% play basketball (event B), and 20% play both sports. What is the probability that a randomly chosen student plays football given that the student plays basketball?
(a) 21
(b) 32
(c) 31
(d) 43