The proposed penalty (i.e., loss) function for over- or under-assessment is L(a,1) taift>a and = k(at) if
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The proposed penalty (i.e., loss) function for over- or under-assessment is L(a,1) taift>a and = k(at) if tsa (k>1 is suggested to incorporate the idea that over-assessment is more serious than under-assessment).
a. Show that a = + -(1/(k + 1)) is the value of a that minimizes the expected loss, where -' is the inverse function of the standard normal cdf.
b. If k-2 (suggested in the article), $100,000, and or $10,000, what is the optimal value of
a, and what is the resulting probability of over-assessment?
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Related Book For
Probability And Statistics For Engineering And The Sciences
ISBN: 9781133169345
8th Edition
Authors: Jay L Devore, Roger Ellsbury
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