5. Each student in a group was asked to choose their favourite pet. The pie chart below shows the results.
(a) What fraction of the students chose hamster? Give your answer in its simplest form. [2]
(b)
One student is chosen at random from the group.
D is the probability that the student’s favourite pet is a dog C is the probability that the student’s favourite pet is a cat R is the probability that the student’s favourite pet is a rabbit.
Mark D, C and R on the probability scale below. [3]
Mark scheme (a)
Scheme
Marks
Comments
\(\dfrac{1}{12}\)
B2
B1 for \(\frac{30}{360}\) or equivalent fraction that has not been fully simplified or has been simplified incorrectly.
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