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  2. 97.5th percentile point - Wikipedia

    en.wikipedia.org/wiki/97.5th_percentile_point

    95% of the area under the normal distribution lies within 1.96 standard deviations away from the mean.. In probability and statistics, the 97.5th percentile point of the standard normal distribution is a number commonly used for statistical calculations.

  3. 68–95–99.7 rule - Wikipedia

    en.wikipedia.org/wiki/68–95–99.7_rule

    Diagram showing the cumulative distribution function for the normal distribution with mean (μ) 0 and variance (σ 2) 1. These numerical values "68%, 95%, 99.7%" come from the cumulative distribution function of the normal distribution.

  4. 0.999... - Wikipedia

    en.wikipedia.org/wiki/0.999...

    The Archimedean property: any point x before the finish line lies between two of the points P n (inclusive).. It is possible to prove the equation 0.999... = 1 using just the mathematical tools of comparison and addition of (finite) decimal numbers, without any reference to more advanced topics such as series and limits.

  5. United States dollar - Wikipedia

    en.wikipedia.org/wiki/United_States_dollar

    Rounding the latter to 27.0 grains finalized the dollar's standard to 24.75 grains of fine gold or 24.75 × 15 = 371.25 grains = 24.0566 grams = 0.7735 troy ounces of fine silver. The same coinage act also set the value of an eagle at 10 dollars, and the dollar at 1 ⁄ 10 eagle.

  6. Bill Gates - Wikipedia

    en.wikipedia.org/wiki/Bill_Gates

    Gates starred as himself in a brief appearance on the Frasier episode “The Two Hundredth Episode". [296] He also made a guest appearance as himself on the TV show The Big Bang Theory, in an episode titled "The Gates Excitation". [297] He also appeared in a cameo role in 2019 on the series finale of Silicon Valley. [298]

  7. 2024 Iranian presidential election - Wikipedia

    en.wikipedia.org/wiki/2024_Iranian_presidential...

    Early presidential elections in Iran were held on 28 June and 5 July 2024 [1] following the death of incumbent president Ebrahim Raisi in a helicopter crash on 19 May. [2]Four candidates contested the first round of the election, in which Masoud Pezeshkian won 44%, Saeed Jalili won 40%, Mohammad Bagher Ghalibaf won 14% and Mostafa Pourmohammadi won less than 1% of the vote.

  8. Pound sterling - Wikipedia

    en.wikipedia.org/wiki/Pound_sterling

    2017: A more secure twelve-sided bi-metallic £1 coin was introduced to reduce forgery. The old round £1 coin ceased to be legal tender on 15 October 2017. [133] As of 2020, the oldest circulating coins in the UK are the 1p and 2p copper coins introduced in 1971. No other coins from before 1982 are in circulation.

  9. .50 Action Express - Wikipedia

    en.wikipedia.org/wiki/.50_Action_Express

    The actual cartridge has a .543-inch diameter (13.8 mm) base, with a rebated rim.The rim diameter of the .50 AE is the same as the .44 Remington Magnum cartridge. A Mark XIX Desert Eagle in .50 AE can be converted to .44 with nothing more than a barrel and magazine change.