Ib) A decision tree uses estimates and probabilities to calculate likely outcomes, and helps someone to decide whether or not the gain from a decision is worthwhile. Use decision trees to design an...

Extracted text: Ib) A decision tree uses estimates and probabilities to calculate likely outcomes, and helps someone to decide whether or not the gain from a decision is worthwhile. Use decision trees to design an algorithm for face detection in two-dimensional grey-scale images.