CAPE Applied Mathematics Unit 1 · 2009 (second paper) · Paper 2 · Question 6(a)(iii)b)

A study observes the behaviour of 400 children during the first few months of primary school based on whether they were sent to a day nursery (Group 1, n=210) or kept at home (Group 2, n=190). A χ² test at the 5% level is conducted.

Determine the critical region for this hypothesis test.

This question uses a figure or table from the paper — you'll see it when you practise.