IB skill practice

Find marginal and conditional distributions

Derive marginal and conditional distributions from a joint model.

Paper 1, Paper 2 5 marks Difficulty 4

Find marginal and conditional distributions - marginal and conditional distribution table item

Case B10. Use the joint distribution table in the diagram and calculate the requested marginal or conditional probability.

Worked practice: result and interpretation

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