(i)[3]
$6$ boys are selected at random. Calculate the probability that fewer than $3$ of them choose Music.
(ii)[6]
$5$ Drama students are selected at random. Calculate the probability that at least $1$ of them is a boy.
Mathematics 9709 · AS & A Level · Sampling and estimation
Sampling and estimation — practice question
Luttley College has a very large student population. $60\%$ of the students are boys. On Friday afternoons, each student may select exactly one of Games, Drama or Music. It is found that $75\%$ of the boys choose Games, $10\%$ choose Drama, and the rest choose Music. For the girls, $30\%$ choose Games, $55\%$ choose Drama, and the remainder choose Music.
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