Calculate probability of a student liking chocolate or vanilla.
\( \begin{array}{l}\textbf{In a survey of 200 students, 120 like chocolate,} \\ \textbf{90 like vanilla, and 60 like both. What is the} \\ \textbf{probability that a student likes either chocolate or vanilla?}\end{array} \)
Choose one option:
Add counts, subtract overlap, divide by total students.
Use inclusion-exclusion to avoid double-counting students who like both flavors.
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