EM-2915

Single events and sample space

E Math · Secondary 4 · Medium · Single events and sample space

A bag contains only red and blue marbles. There are 18 red marbles and 12 blue marbles. One marble is chosen at random.

Find the probability that the marble chosen is blue. Give your answer as a fraction in its simplest form.

$\dfrac{2}{5}$
$\dfrac{3}{5}$
$\dfrac{2}{3}$
$\dfrac{3}{10}$

Loading problem…