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  2. Normal distribution - Wikipedia

    en.wikipedia.org/wiki/Normal_distribution

    These are computed by the numerical method of ray-tracing. [39] The probability density, cumulative distribution, and inverse cumulative distribution of any function of one or more independent or correlated normal variables can be computed with the numerical method of ray-tracing [39] (Matlab code). In the following sections we look at some ...

  3. Psychological pricing - Wikipedia

    en.wikipedia.org/wiki/Psychological_pricing

    In this pricing method, retail prices are often expressed as just-below numbers: numbers that are just a little less than a round number, e.g. $19.99 or £2.98. [1] There is evidence that consumers tend to perceive just-below prices (also referred to as "odd prices") as being lower than they are, tending to round to the next lowest monetary unit.

  4. Confidence interval - Wikipedia

    en.wikipedia.org/wiki/Confidence_interval

    It would be desirable that the method used for constructing a confidence interval for the median income would give equivalent results when applied to constructing a confidence interval for the logarithm of the median income: Specifically the values at the ends of the latter interval would be the logarithms of the values at the ends of former ...

  5. Carl Friedrich Gauss - Wikipedia

    en.wikipedia.org/wiki/Carl_Friedrich_Gauss

    This is an accepted version of this page This is the latest accepted revision, reviewed on 22 December 2024. German mathematician, astronomer, geodesist, and physicist (1777–1855) "Gauss" redirects here. For other uses, see Gauss (disambiguation). Carl Friedrich Gauss Portrait by Christian Albrecht Jensen, 1840 (copy from Gottlieb Biermann, 1887) Born Johann Carl Friedrich Gauss (1777-04-30 ...

  6. Google Drive - Wikipedia

    en.wikipedia.org/wiki/Google_Drive

    Google Drive is a file-hosting service and synchronization service developed by Google.Launched on April 24, 2012, Google Drive allows users to store files in the cloud (on Google servers), synchronize files across devices, and share files.

  7. Titanic - Wikipedia

    en.wikipedia.org/wiki/Titanic

    92 ft 6 in (28.2 m) Height: 175 ft (53.3 m) (keel to top of funnels) Draught: 34 ft 7 in (10.5 m) Depth: 64 ft 6 in (19.7 m) Decks: 9 (A–G) Installed power: 24 double-ended and five single-ended boilers feeding two reciprocating steam engines for the wing propellers, and a low-pressure turbine for the centre propeller; [3] output: 46,000 HP ...

  8. macOS - Wikipedia

    en.wikipedia.org/wiki/MacOS

    On June 6, 2005, Steve Jobs announced in his keynote address at WWDC that Apple would be making the transition from PowerPC to Intel processors over the following two years, and that Mac OS X would support both platforms during the transition. Jobs also confirmed rumors that Apple had versions of Mac OS X running on Intel processors for most of ...

  9. John von Neumann - Wikipedia

    en.wikipedia.org/wiki/John_von_Neumann

    Von Neumann's method used a pivoting algorithm between simplices, with the pivoting decision determined by a nonnegative least squares subproblem with a convexity constraint (projecting the zero-vector onto the convex hull of the active simplex). Von Neumann's algorithm was the first interior point method of linear programming. [274]