IB skill practice

Transform expected values

Use linear transformation rules for expected values.

Paper 1, Paper 2 5 marks Difficulty 3

Transform expected values - exam scenario

For a transport team random variable, \(E(X)=23\). If \(Y=3X+7\), find \(E(Y)\). Confirm the context meaning before entering the value. Enter the requested value and choose the interpretation that matches the result.

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