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A-Level MathematicsYear 2021Q2

Turn over 5 Question 2 continued Mohamed decides to take another, larger, random sample of courgettes grown on his farm. (c) Assuming that his sample mean will remain 182.9 grams, calculate how large Mohamed’s random sample should be in order to provide significant evidence that his courgettes have a mean weight different from 175 grams. (3) ___________________________________________ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ ___________________________________________ (Total for Question 2 is 7 marks)

Paper Source:9ST0_02_que_20211021.pdf

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Exam Specification Info

This question is part of the UK A-Level Mathematics syllabus. In the actual exam, structured questions typically require linking specific keywords to gain full marks. Applaa helps you drill these topics.

Syllabus levelAdvanced Level (A-Level)

SubjectMathematics

Official MarksVariable (2–6 marks)