A box contains a dozen markers: 4 purple, 3 black, 3 orange, and 2 red. Abbey takes 2 markers out of the box without looking. What is the probability that Abbey picks a black marker and then a purple marker if she replaces the first marker? Answer in simplest form.

Answer 1

prob(black, then purple)
= (3/12)(4/12) , denominator stays at 12, since she returned the marker.
= ....