IB skill practice

Approximate distributions with continuity corrections

Apply continuity corrections when approximating discrete distributions.

Paper 1, Paper 2 5 marks Difficulty 3

Approximate distributions with continuity corrections - continuity-corrected boundary item

Case B3. Use the normal approximation boundary shown in the diagram and calculate the requested continuity-corrected value.

Worked practice: result and interpretation

Calculate the requested result first, then choose the interpretation that follows from it.