IB skill practice

Normalise continuous density functions

Find a constant so a density function integrates to 1 over its support.

Paper 1, Paper 2 5 marks Difficulty 3

Normalise continuous density functions - exam decision

A continuous random variable has constant density \(f(x)=c\) on \(0\le x\le 3\). Find \(c\). Confirm the interpretation before entering the result. Enter the requested value and choose the interpretation that matches the result.

Worked practice: result and interpretation

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