Calculate probability a student likes cats or dogs.
\( \begin{array}{l}\textbf{In a two-way table, 300 students are surveyed, 180 like cats,} \\ \textbf{150 like dogs, and 100 like both. What is the} \\ \textbf{probability that a student likes either cats or dogs?}\end{array} \)
Choose one option:
Add counts, subtract overlap, divide by total students.
Use inclusion-exclusion to avoid double-counting students who like both pets.
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