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這個(gè)期望值理解不了,為什么是幾個(gè)概率相加得出的?
FAILED
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您好,您看圖片(2),各個(gè)概率合計(jì)結(jié)果
2023 03/26 13:40
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2023 03/26 13:52
那為什么是要幾個(gè)概率相加?它們之間聯(lián)系是什么
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2023 03/26 13:54
您好,期望值就是考慮所有出現(xiàn)情況的影響,所以用概率×對(duì)應(yīng)金額
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2023 03/26 14:11
最大概率性的意思?就是不太能理解把所有概率加一起對(duì)這個(gè)最大概率影響的原因
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2023 03/26 14:15
您好,圖片1是考慮各個(gè)概率,2是概率最大的數(shù)據(jù)
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