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Mathematics (AS & A Level) · Oct / Nov 2023 · Paper 53 · Question 3

9709

As printed in the paper

The question as text

Tim has two bags of marbles, A and B. Bag A contains 8 white, 4 red and 3 yellow marbles. Bag B contains 6 white, 7 red and 2 yellow marbles. Tim also has an ordinary fair 6-sided dice. He rolls the dice. If he obtains a 1 or 2, he chooses two marbles at random from bag A, without replacement. If he obtains a 3, 4, 5 or 6, he chooses two marbles at random from bag B, without replacement.

Read automatically from the paper; the printed page above is exact.

Show the answer and mark scheme
  • 3(a)[3]

  • 3(b)[4]

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