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  2. Gordon–Loeb model - Wikipedia

    en.wikipedia.org/wiki/Gordon–Loeb_model

    The potential loss from a breach, represented by L, which can be expressed in monetary terms. The expected loss is calculated as vL before additional cybersecurity investments. Investment in cybersecurity, denoted as z , reduces v based on the effectiveness of the security measures, known as the security breach probability function.

  3. Bolt thrust - Wikipedia

    en.wikipedia.org/wiki/Bolt_thrust

    A complicating matter regarding bolt thrust is that a cartridge case expands and deforms under high pressure and starts to "stick" to the chamber. This "friction-effect" can be accounted for with finite elements calculations on a computer, but it is a lot of specialized work and generally not worth the trouble. [2]

  4. Circular error probable - Wikipedia

    en.wikipedia.org/wiki/Circular_error_probable

    That is, if CEP is n metres, 50% of shots land within n metres of the mean impact, 43.7% between n and 2n, and 6.1% between 2n and 3n metres, and the proportion of shots that land farther than three times the CEP from the mean is only 0.2%.

  5. Small arms ammunition pressure testing - Wikipedia

    en.wikipedia.org/wiki/Small_arms_ammunition...

    The defined distance for a particular chambering is published in the TDCC data sheet of the chambering. In a rifle cartridge case like the .308 Winchester, the TDCC M = 25.00 value denotes the transducer must be positioned at a distance of 25 millimetres (0.98 in) from the breech face. [2]

  6. Girsanov theorem - Wikipedia

    en.wikipedia.org/wiki/Girsanov_theorem

    The theorem is especially important in the theory of financial mathematics as it explains how to convert from the physical measure, which describes the probability that an underlying instrument (such as a share price or interest rate) will take a particular value or values, to the risk-neutral measure which is a very useful tool for evaluating ...

  7. Beneish M-score - Wikipedia

    en.wikipedia.org/wiki/Beneish_M-Score

    If M-score is less than -1.78, the company is unlikely to be a manipulator. For example, an M-score value of -2.50 suggests a low likelihood of manipulation. If M-score is greater than −1.78, the company is likely to be a manipulator. For example, an M-score value of -1.50 suggests a high likelihood of manipulation.

  8. UnitedHealth issues breach notification on Change ... - AOL

    www.aol.com/news/unitedhealth-issues-breach...

    UnitedHealth Group issued a public notice about the February ransomware hack on its Change Healthcare unit on Thursday as part of its requirements to notify the estimated one-third of the country ...

  9. Buttress thread - Wikipedia

    en.wikipedia.org/wiki/Buttress_thread

    In oil field tubing, buttress thread is a pipe thread form designed to provide a tight hydraulic seal. The thread form is similar to that of Acme thread [10] but there are two distinct threaded portions of differing diameters and profiles, the larger having a wedging profile, with a tapered sealing portion in between the larger and smaller diameters.