A-Level MathematicsYear 2022Q5
16 Question 5 continued _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ (Total for Question 5 is 12 marks) Turn over 17 6 A large gardening company conducted a survey on customer satisfaction by e-mailing a random sample of 400 of its customers, of whom 62 responded. The company wanted to see if there was a relationship between whether it was the customer’s first experience and the likelihood that the customer would use the company again. The results of this survey are summarised in Figure 5. First experience Yes No Total Likelihood of using company again Definitely yes 9 12 21 Probably yes 18 2 20 No 17 4 21 Total 44 18 62 Figure 5 (a) Investigate whether there is evidence of an association between whether it was the customer’s first experience and the likelihood that the customer would use the company again. (8) _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________
Paper Source:9st0-02-que-20220614.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)