Question 3 • Mathematics III
On each draw, the expected score is (2/5 × 2) + (3/5 × −1) = 0.8 − 0.6 = 0.2 points. With two draws and replacement, the expected scores add: 2 × 0.2 = 0.4 points per round. Therefore, the expected value is 0.4 points, choice C.
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