Mathematics (AS & A Level) · May / June 2016 · Paper 63 · Question 5
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As printed in the paper
The question as text
The heights of school desks have a normal distribution with mean 69 cm and standard deviation 3 cm. It is known that 15.5% of these desks have a height greater than 70 cm.
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5(i)[3]
5(ii)[5]
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