Sandra has a fair spinner with 8 sides.
The spinner shows 3, 4, 4, 4, 5, 5, 6 and 8.
Sandra makes two spins and writes down each number it lands on.
(a)[2]
Find the probability that both results are 8.
(b)[1]
Find the probability that the two numbers are not both 8.
(c)[2]
Find the probability that one result is odd and the other result is even.
(d)[3]
Find the probability that the total of the two numbers is at least 13.
(e)[3]
Find the probability that the second number is bigger than the first number.
Worked solution & mark scheme
This 11-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Applying $\tfrac{1}{8} \times \tfrac{1}{8}$” …
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