问题已解决
我不理解這個(gè)第三題。因?yàn)榭勺儗?duì)價(jià)影響因素兩個(gè)。1.概率 2.最可能發(fā)生金額。但是概率很小啊。而且百分之90不會(huì)發(fā)生重大轉(zhuǎn)會(huì)。那為什么還要乘以0.9呢
FAILED
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冉老師
金牌答疑老师
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你好,學(xué)員,這個(gè)90針對(duì)的是不退貨的部分,所以不退貨的部分確認(rèn)收入
退貨的10%是確定的幾乎,所以不確認(rèn)收入的
2022 04/22 09:19
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2022 04/22 09:45
所以我不確定啊我知道。所以確認(rèn)收入不應(yīng)該是1000嗎
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2022 04/22 10:08
這個(gè)不是1000,因?yàn)檫@個(gè)題目背景說了退貨10%,這個(gè)1000*10%=100不能確認(rèn)收入
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2022 04/22 10:09
所以收入金額是1000-100=900,學(xué)員
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2022 04/22 10:24
我不明白老師。為什么要減去百分之十
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2022 04/22 10:35
因?yàn)檫@個(gè)未來會(huì)退貨,相當(dāng)于沒有出售
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