EM-2891

Combined events

E Math · Secondary 4 · Hard · Combined events

A box contains 4 green, 3 yellow and 5 red balls. Three balls are drawn at random without replacement. Find the probability that exactly two of the balls are green.

$\dfrac{12}{55}$
$\dfrac{8}{55}$
$\dfrac{24}{55}$
$\dfrac{6}{11}$

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