Mathematics 9709 · AS & A Level · Sampling and estimation

Sampling and estimation — practice question

(i)[3]

Determine how many distinct arrangements there are for $5$ boys and $6$ girls in a line when all the boys stay together and all the girls stay together.

(ii)[3]

Determine the number of distinct ways for $5$ boys and $6$ girls to stand in a line, given that no boy is beside another boy.

Worked solution & mark scheme

This 6-mark question has a full step-by-step worked solution and mark scheme. One marking point: A correct counting expression, for example $5!\times6!\times2$

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