(1)
考虑概率分布,
正:200^2 / (150^2 + 200^2) = 0.64
负:150^2 / (150^2 + 200^2) = 0.36
(2)
正:(200-N)^2 / (150^2 + 200^2)
负:(150-N)^2 / (150^2 + 200^2)
(1)
考虑概率分布,
正:200^2 / (150^2 + 200^2) = 0.64
负:150^2 / (150^2 + 200^2) = 0.36
(2)
正:(200-N)^2 / (150^2 + 200^2)
负:(150-N)^2 / (150^2 + 200^2)