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  2. Secretary problem - Wikipedia

    en.wikipedia.org/wiki/Secretary_problem

    The cutoff rule (CR): Do not accept any of the first y applicants; thereafter, select the first encountered candidate (i.e., an applicant with relative rank 1). This rule has as a special case the optimal policy for the classical secretary problem for which y = r. Candidate count rule (CCR): Select the y-th encountered candidate. Note, that ...

  3. Optimal stopping - Wikipedia

    en.wikipedia.org/wiki/Optimal_stopping

    In mathematics, the theory of optimal stopping [1] [2] or early stopping [3] is concerned with the problem of choosing a time to take a particular action, in order to maximise an expected reward or minimise an expected cost.

  4. Federal Rules of Civil Procedure - Wikipedia

    en.wikipedia.org/wiki/Federal_Rules_of_Civil...

    Rules 1 and 2. Title I is a sort of "mission statement" for the FRCP; Rule 1 states that the rules "shall be construed and administered to secure the just, speedy, and inexpensive determination of every action." Rule 2 unifies the procedure of law and equity in the federal courts by specifying that there shall be one form of action, the "civil ...

  5. Westgard rules - Wikipedia

    en.wikipedia.org/wiki/Westgard_Rules

    They are a set of modified Western Electric rules, developed by James Westgard and provided in his books and seminars on quality control. [1] They are plotted on Levey–Jennings charts, wherein the X-axis shows each individual sample, and the Y-axis shows how much each one differs from the mean in terms of standard deviation (SD). The rules ...

  6. Divisibility rule - Wikipedia

    en.wikipedia.org/wiki/Divisibility_rule

    (1 × 15 − 3 × 75 + 2 × 15) + (1 × 37 − 3 × 18 + 2 × 60) = −180 + 103 = −77 The result −77 is divisible by seven, thus the original number 15751537186 is divisible by seven. Another digit pair method of divisibility by 7. Method. This is a non-recursive method to find the remainder left by a number on dividing by 7:

  7. 37 (number) - Wikipedia

    en.wikipedia.org/wiki/37_(number)

    37 is a prime number, [1] a sexy prime, and a Padovan prime 37 is the first irregular prime with irregularity index of 1. [ 2 ] 37 is the smallest non-supersingular prime in moonshine theory . 37 is also an emirp because it remains prime when its digits are reversed.

  8. Hume-Rothery rules - Wikipedia

    en.wikipedia.org/wiki/Hume-Rothery_rules

    Hume-Rothery rules, named after William Hume-Rothery, are a set of basic rules that describe the conditions under which an element could dissolve in a metal, forming a solid solution. There are two sets of rules; one refers to substitutional solid solutions, and the other refers to interstitial solid solutions.

  9. Wikipedia:Simplified ruleset - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:Simplified_Ruleset

    Five pillars: The foundations of the Wikipedia community are summarized in 5 simple ideas: Wikipedia is an online encyclopedia; it has a neutral point of view; it is free content that anyone can edit and distribute; all Wikipedians should interact in a respectful and civil manner; and Wikipedia does not have firm rules.