Math Problem Statement
サッカー部11人、水泳部7人、柔道部5人から3人をリレー競走の選手に選ぶ。組み合わせも走る順番もランダムに選んだ時、水泳部員が柔道部員に直接バトンを渡すオーダーになる確率は何%か。小数点以下第一位を四捨五入して整数のみで答えよ。
Solution
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Math Problem Analysis
Mathematical Concepts
Combinatorics
Probability
Formulas
Combination formula: nCr = n! / (r! * (n - r)!)
Probability formula: P(Event) = Number of favorable outcomes / Total number of outcomes
Theorems
Basic principles of combinatorics and probability
Suitable Grade Level
Grades 10-12
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