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【FRM每日一题】一级:风险管理&定量

【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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