Calculate probability a student likes ice cream or cake.
\( \begin{array}{l}\textbf{In a class of 40 students, 25 like ice cream,} \\ \textbf{20 like cake, and 10 like both. What is the} \\ \textbf{probability that a student likes either ice cream or cake?}\end{array} \)
Choose one option:
Add counts, subtract overlap, divide by total students.
Use inclusion-exclusion to avoid double-counting students who like both.
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