Mathematics (AS & A Level) · Oct / Nov 2021 · Paper 61 · Question 7
9709
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The question as text
The masses, in grams, of apples from a certain farm have mean - and standard deviation 5.2. The farmer says that the value of - is 64.6. A quality control inspector claims that the value of - is actually less than 64.6. In order to test his claim he chooses a random sample of 100 apples from the farm.
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7(a)[5]
7(b)[5]
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