【FRM每日一题】一级:风险管理&定量
备考FRM一级 | 2015-12-01
An analyst has determined that the probability that the stock of company Z will increase on any given day is 0.60 and the probability that it will decrease is 0.40. The expected value and variance of the number of up days in a 10-day period are closest to:A. 6.0 and 1.8
B. 6.0 and 2.4
C. 4.0 and 2.4
D. 4.0 and 1.8
Answer: B
Explanation:
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