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4 marksSampling Distribution and Estimation

CAPE Applied Mathematics Unit 1 · 2017 · Paper 2 · Question 5(e)(i)

The mean of 60 observations of X, where X ~ Bin(10, 0.45), is X̄.

State the distribution of X̄, giving its parameters.

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  5. 5(e)(ii)Calculate P(X̄ > 4.75).[5 marks]

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