GCSE Maths Practice: venn-diagrams

Question 9 of 10

Calculate probability a student likes football or basketball.

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\( \begin{array}{l}\textbf{In a survey of 80 students, 45 like football, 30 like basketball,} \\ \textbf{and 20 like both. What is the probability that a student likes} \\ \textbf{either football or basketball?}\end{array} \)

Choose one option:

\( \frac{55}{80} \) \( \frac{60}{80} \) \( \frac{50}{80} \)

Add counts, subtract overlap, divide by total students.

Use inclusion-exclusion to avoid double-counting students who like both sports.