An Improved Approach for Estimating the
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HON-SHIANG LAU; AMY HING-LING LAU; YUE ZHANG
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Article
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1997
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John Wiley and Sons
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English
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The literature oers many formulas for estimating the mean and standard deviation of a subjective probability distribution (a well-known example is the PERT formulas). This paper shows that some basic underlying assumptions behind most of these formulas are inappropriate; a more appropriate framework