Edexcel S2 January 2013 – Q6

Parts (a) and (b):
Part (c) - Method 1:
Part (c) - Method 2:
Part (d):
Edexcel S2 January 2012 – Q2

Method 1 - Probability Method:
Method 2 - Critical Value Method:
Edexcel : A-Level : Statistics : June 2022: Paper 3 – Q4

Edexcel : A-Level : Pure Maths : June 2023: Paper 31 – Q2

Edexcel : AS-Level : Statistics : June 2023: Paper 21 – Q4

Edexcel : A-Level : Statistics : June 2024: Paper 31 – Q4

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