Construct confidence intervals - exam scenario
Case B5. In this AI HL exam-style task, identify the estimate, standard error, and critical value before calculating the interval quantity. Enter the requested numerical value and choose the interpretation that matches the context.
Worked practice: result and interpretation
Calculate the requested result first, then choose the interpretation that follows from it.
Write a full answer
Now write the response in full, in your own words — this is what the exam asks for. The AI marks it on the same moves you built above (focus, evidence, technique, judgement) and gives feedback on reasoning, evidence, and expression.