Solution: Total ways to choose 4 species: $\binom134 = 715$. Favorable outcomes: $\binom82 \cdot \binom52 = 28 \cdot 10 = 280$. The probability is: - AMAZONAWS

📅 March 6, 2026 👤 scraface

Mar 06, 2026

$Solution: Total ways to choose 4 species: $\binom{13}{4} = 715$. Favorable outcomes: $\binom{8}{2} \cdot \binom{5}{2} = 28 \cdot 10 = 280$. The probability is:$

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