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Mathematics
Problem
In a school, 40% of students play football (event
F
F
F
), 30% play basketball (event
B
B
B
), and 20% play both sports. What is the probability that a randomly chosen student plays football given that the student plays basketball? a)
1
2
\dfrac12
2
1
b)
2
3
\dfrac23
3
2
c)
1
3
\dfrac13
3
1
d)
3
4
\dfrac34
4
3
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