CAIE A-Level Mathematics A2 6.5.1 Hypothesis Tests Questions

Practise setting hypotheses, choosing one- or two-tailed tests and drawing conclusions from test results.

Exam points

state suitable null and alternative hypotheses
choose one-tailed or two-tailed tests from the context
interpret test statistics and state justified conclusions

[Maximum number: 1]

At a certain large school it was found that the proportion of students not wearing correct uniform was 0.15 . The school sent a letter to parents asking them to ensure that their children wear the correct uniform. The school now wishes to test whether the proportion not wearing correct uniform has been reduced.

State suitable null and alternative hypotheses.

$\mathrm{H}_0: \mathrm{P}( not correct uniform )=0.15 \mathrm{H}_1: P (not correct uniform) < 0.15 Allow " p "$

All question bank results loaded

CAIE A-Level Mathematics A2 6.5.1 Hypothesis Tests Questions question 1