Mathematics (AS & A Level) · Feb / March 2023 · Paper 52 · Question 2
9709
As printed in the paper
The question as text
Alisha has four coins. One of these coins is biased so that the probability of obtaining a head is 0.6. The other three coins are fair. Alisha throws the four coins at the same time. The random variable X denotes the number of heads obtained.
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2(a)[3]
2(b)[2]
2(c)[2]
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