GCSE Maths Practice: venn-diagrams

Question 1 of 10

Calculate probability a student likes swimming or tennis.

\( \begin{array}{l}\textbf{In a class of 30 students, 12 like swimming,} \\ \textbf{18 like tennis, and 8 like both. What is the} \\ \textbf{probability that a student likes swimming or tennis?}\end{array} \)

Choose one option:

Add counts, subtract overlap, divide by total students.

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