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9 people must be split into a group of 4, a group of 3 and a group of 2. How many different arrangements are possible?
Mathematics 9709 · AS & A Level · Sampling and estimation
Sampling and estimation — practice question
Worked solution & mark scheme
This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Applying combinations such as $^9C_4\times{}^5C_3\times{}^2C_2$, or an equivalent method” …
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