4.6. Decision Rule
It was mentioned in the Introduction that Equation (4.2), which describes the main objective of an analytical method, cannot be solved exactly. A simple way to resolve this problem and make a reliable decision, proposed by several authors (Hubert et al., 2004; Boulanger et al., 2000a, 2000b; Ho.man and Kringle, 2005), relies on computing the β-expectation tolerance intervals (Mee, 1984):
where the k factor is determined so that the expected proportion of the population falling within the interval is equal to β. If the β-expectation tolerance interval is totally included within the acceptance limits [-λ, +λ], i.e., if M - ...
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