.. Amy has
10 CDs in a CD holder. Amy's favourite group is Edex.
She has 6 Edex CDs in the CD holder. Amy takes one of these
CDs at random. She writes down whether or not it is an Edex CD.
She puts the CD back in the holder. Amy again takes one of
these CDs at random. Complete the probability tree diagram.
First choice
Second choice
EDEX
CD
EDEX
CD
0.6
NOT-EDEX
CD
EDEX
CD
NOT-EDEX
CD
NOT-EDEX
CD