Mathematics (AS & A Level) · Feb / March 2021 · Paper 62 · Question 4
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As printed in the paper
The question as text
On average, 1 in 400 microchips made at a certain factory are faulty. The number of faulty microchips in a random sample of 1000 is denoted by X.
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Show the answer and mark scheme
4(a)[1]
4(b)[2]
4(c)(i)[2]
4(c)(ii)[2]
4(d)[3]
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