1MA0 Foundation June 2012 Paper 1 Q10

10 Here is a fair 4-sided spinner.

Simon is going to spin the spinner once.
The spinner will land on 1 or on 2 or on 3 or on 4

(a) On the probability scale, mark with a letter A the probability that the spinner will land on the number 6

(1)

(b) On the probability scale, mark with a letter B the probability that the spinner will land on the number 3

(1)