Q12 Cody has two bags of counters, bag A and bag B.
Each of the counters has either an odd number or an even number written on it.
There are 10 counters in bag A and 7 of these counters have an odd number written on them.
There are 12 counters in bag B and 7 of these counters have an odd number written on them.
Cody is going to take at random a counter from bag A and a counter from bag B.
(a) Complete the probability tree diagram.
Bag A
Bag B
Odd number
Odd
number
7
10
Even number
Odd number
Even
number
Even number