The numbers 1, 2, 4, 7, 8, 9, 10, 11 and 12 are put into a Venn diagram. Q-
-P-
2
4
12
9
8
10
1
1
7
11
The number 3 is in set Q but not in set P.
The number 6 is in both set P and set Q.

(a) Complete the Venn diagram.
A student chooses at random a number in the completed Venn diagram.

(b) Write down the probability that this number is not in Set Q.​