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1 Pure Mathematics

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Question 425

A biased coin has probability 0.3 of landing heads. The coin is tossed five times.

Use a term in the expansion of (0.3+0.7)5(0.3+0.7)^5(0.3+0.7)5 to find the probability of obtaining exactly two heads.

[3]
Markscheme

1 Pure Mathematics Questions

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