Mathematics (AS & A Level) · Oct / Nov 2023 · Paper 62 · Question 4
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The question as text
The height H, in metres, of mature trees of a certain variety is normally distributed with standard deviation 0.67. In order to test whether the population mean of H is greater than 4.23, the heights of a random sample of 200 trees are measured.
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4(a)[1]
4(b)[3]
4(c)[1]
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