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2008 CFA Level 1 - Sample 样题(2)-Q11

11Using Chebyshev's inequality, what is the proportion of observations from a population of 250 that must lie within three standard deviations of the mean, regardless of the shape of the distribution?

A. 67%

B. 75%

C. 89%

D. 99%

[此贴子已经被作者于2008-11-7 13:49:12编辑过]

 a

TOP

 谢谢

TOP

 ed

TOP

 thx

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1

1

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thanks

 

TOP

g

TOP

dsf

TOP

C

TOP

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