[一級定量分析] Which of the following regarding a probability density function (PDF) is correct? A PDF A . provides the probability of each of the possible outcomes of a random variable B. can provide the same information as a cumulative distribution function (CDF). A為什么不對呢？

2024-03-06 15:23:141回答

[二級操作風(fēng)險(xiǎn)] 為什么說這三種風(fēng)險(xiǎn)會出現(xiàn)肥尾的狀況？肥尾不是表示極端風(fēng)險(xiǎn)出現(xiàn)的概率增加嗎？但是這些風(fēng)險(xiǎn)不是低頻高損的嗎？既然是低頻的話，怎么會是肥味呢？

2024-03-06 14:34:421回答

[二級操作風(fēng)險(xiǎn)] 為什么說這三種風(fēng)險(xiǎn)會出現(xiàn)肥尾的狀況？肥尾不是表示極端風(fēng)險(xiǎn)出現(xiàn)的概率增加嗎？但是這些風(fēng)險(xiǎn)不是低頻高損的嗎？既然是低頻的話，怎么會是肥味呢？

2024-03-06 14:34:411回答

[一級風(fēng)險(xiǎn)管理基礎(chǔ)] B和C是兩個(gè)什么東西，希望老師可以解釋一下

2024-03-06 13:26:541回答

[一級風(fēng)險(xiǎn)管理基礎(chǔ)] 這一題的C怎么解釋

2024-03-06 13:21:121回答

[一級風(fēng)險(xiǎn)管理基礎(chǔ)] 風(fēng)險(xiǎn)數(shù)據(jù)匯總和風(fēng)險(xiǎn)報(bào)告

老師好！不太明白為什么銀行要努力實(shí)現(xiàn)風(fēng)險(xiǎn)數(shù)據(jù)單一來源，多個(gè)數(shù)據(jù)不是更可靠嗎？

2024-03-06 12:38:391回答

[一級定量分析] 10. The sample mean is an unbiased estimator of the population mean because the A . samapling distribution of the sample mean is normal. B. expected value of the population mean is equal to the sample mean. C. sample mean provides a more accurate estimate of the population mean as the sample size increases. D. sampling distribution of the sample mean has the smallest variance of any other unbiased estimators of the population mean

2024-03-06 11:57:031回答

[一級定量分析] 39. Which of the following exhibit positively _skewed distributions? 1 Normal Distribution. 2 Lognormal Distribution 3The Returns of Being Short Put Option. 4 The Returns of Being Long a Call Option. lognormal的圖是什么樣的呢？ 第三和第四個(gè)不太懂。

2024-03-06 11:54:121回答

[一級估值與風(fēng)險(xiǎn)模型] 想問一下這個(gè)pv是怎么算的啊，為什么我代入百分之八算的結(jié)果不對

2024-03-06 10:52:501回答

[一級金融市場與產(chǎn)品] 怎么理解圈出來的這句話，在收益率和久期不變的情況下，coupon越低為什么凸性也低

2024-03-06 00:34:141回答