Mathematics (AS & A Level) · Oct / Nov 2019 · Paper 72 · Question 1
9709
As printed in the paper
The question as text
On average, 1 in 150 components made by a certain machine are faulty. The random variable X denotes the number of faulty components in a random sample of 500 components.
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Show the answer and mark scheme
1(i)[2]
1(ii)[2]
1(iii)[3]
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