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Pocket-Calculator Approximation to the Normal Tail

Published online by Cambridge University Press:  27 July 2009

Jinn-Tyan Lin
Jinn-Tyan Lin
Affiliation:
Department of Statistics Feng ChiaUniversity Taichung, Taiwan, Republic of China
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Abstract

This paper proposes a pocket-calculator approximation to the normal tail that is more convenient and more accurate than Hamaker's [1] and Lew's [2] over a wide range, when measured in terms of the number of keystrokes and absolute relative error, respectively.

Type
Articles
Information
Probability in the Engineering and Informational Sciences , Volume 4 , Issue 4 , October 1990 , pp. 531 - 533
Copyright
Copyright © Cambridge University Press 1990

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References

REFERENCES

Hamaker, H.C. (1978). Approximating the cumulative normal distribution and its inverse. Applied Statistics 27: 76–77.Google Scholar
Lew, R.A. (1981). An approximation to the cumulative normal distribution with simple coefficients. Applied Statistics 30: 299–301.Google Scholar
Lin, J.-T. (1989). Approximating the normal tail probability and its inverse for use on a pocket calculator. Applied Statistics 38: 69–70.Google Scholar