(i)[3]
Show that the probability that Noor selects exactly one T-shirt is $\frac{27}{55}$.
(ii)[4]
Construct the probability distribution table for $X$.
Mathematics 9709 · AS & A Level · Sampling and estimation
Sampling and estimation — practice question
Noor has $3$ T-shirts, $4$ blouses and $5$ jumpers. She selects $3$ items at random. The random variable $X$ gives the number of T-shirts selected.
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