Mathematics (AS & A Level) · May / June 2022 · Paper 63 · Question 4
9709
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Each box of Seeds & Raisins contains S grams of seeds and R grams of raisins. The weight of a box, when empty, is B grams. S, R and B are independent random variables, where S ∼N300, 45 , R ∼N200, 25 and B ∼N15, 4 . A full box of Seeds & Raisins is chosen at random.
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4(a)[5]
4(b)[5]
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