Mathematics (AS & A Level) · Oct / Nov 2018 · Paper 71 · Question 2
9709
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The question as text
A headteacher models the number of children who bring a ‘healthy’ packed lunch to school on any day by the distribution B150, p . In the past, she has found that p = 1 3. Following the opening of a fast food outlet near the school, she wishes to test, at the 1% significance level, whether the value of p has decreased.
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2(i)[1]
2(ii)[2]
2(iii)[1]
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