张同学2019-05-19 19:11:51
A portfolio has a mean value of $60 million and a daily standard deviation of $8 million. Assuming that the portfolio values are normally distributed, the lowest value that the portfolio will fall to over the next three days and within 99% probability is: 这题不懂
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Crystal2019-05-20 17:23:07
同学你好,这个题目其实考察的是置信区间的计算,这个题目考察的是置信区间的下限是多少,置信区间的计算公式为均值+-z*波动率
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