IB skill practice

Use normal approximations

Apply and interpret normal approximations with appropriate conditions and corrections.

Paper 1, Paper 2 5 marks Difficulty 3

Use normal approximations - normal approximation with continuity correction item

Case A4. For \(X\sim B(95,0.44)\), use the normal approximation information and calculate the requested quantity.

Worked practice: result and interpretation

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