(0.9 - 1)² = 0.01 - (0.9 - 1)² = 0.01 - (0.9 - 0)² = 0.81 - (0.6 - 1)² = 0.16 - (0.6 - 0)² = 0.36 Sum = 1.36; Average Brier score = **0.272**