Mathematics (AS & A Level) · May / June 2018 · Paper 63 · Question 5
9709
As printed in the paper
The question as text
A game is played with 3 coins, A, B and C. Coins A and B are biased so that the probability of obtaining a head is 0.4 for coin A and 0.75 for coin B. Coin C is not biased. The 3 coins are thrown once.
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5(i)[5]
5(ii)[3]
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