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Back to OCR Maths Higher June 2018 Paper 5 Home
​Q8: Answers – Paper 5 – June 2018
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8) Hannah wants to display all the possible outcomes when rolling two fair 6-sided dice.

​a) Give a reason why a tree diagram is not the best method to use.
There is now working for part a!

​b)
i) Draw a sample space to display all the possible outcomes.​
Picture

ii) Show that the probability of the scores on the two dice adding to 11 is 1/18.

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Question
8) Hannah wants to display all the possible outcomes when rolling two fair 6-sided dice.

​a) Give a reason why a tree diagram is not the best method to use.
[1 mark]

​b)
i) Draw a sample space to display all the possible outcomes.
[2 marks]
​

ii) Show that the probability of the scores on the two dice adding to 11 is 1/18.

[2 marks]
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