Question

The diagram below shows the contents of a jar from which you select marbles at random.

Answer 1

A.
$\frac{4}{13} \times \frac{8}{13} = \frac{32}{169}$
b.
$\frac{4}{13} \times \frac{8}{12} = \frac{32}{156} = \frac{8}{39}$
c. no because on a you replace the marble and the denometers are the same and on b you put it aside which decreases the denometer by one