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  2. Checking whether a coin is fair - Wikipedia

    en.wikipedia.org/wiki/Checking_whether_a_coin_is...

    gives 50.000% level of confidence Half 1.0000 gives 68.269% level of confidence One std dev 1.6449 gives 90.000% level of confidence "One nine" 1.9599 gives 95.000% level of confidence 95 percent 2.0000 gives 95.450% level of confidence Two std dev 2.5759 gives 99.000% level of confidence "Two nines" 3.0000 gives 99.730% level of confidence

  3. Guinea (coin) - Wikipedia

    en.wikipedia.org/wiki/Guinea_(coin)

    Guinea (coin) Five-guinea coin, James II, Great Britain, 1688. The guinea ( / ˈɡɪniː /; commonly abbreviated gn., or gns. in plural) [ 1] was a coin, minted in Great Britain between 1663 and 1814, that contained approximately one-quarter of an ounce of gold. [ 2] The name came from the Guinea region in West Africa, from where much of the ...

  4. Coins of the Swiss franc - Wikipedia

    en.wikipedia.org/wiki/Coins_of_the_Swiss_franc

    The coins of the Swiss franc are the official coins used in Switzerland and Liechtenstein. The name of the subunit is centime in French and internationally, [ 1] Rappen in German, centesimo in Italian, and rap in Romansh. [ 2] There are coins in denominations of 5 centimes, 10 centimes, 20 centimes, 1⁄2 franc (50 centimes), 1 franc, 2 francs ...

  5. Coin flipping - Wikipedia

    en.wikipedia.org/wiki/Coin_flipping

    Coin flipping, coin tossing, or heads or tails is the practice of throwing a coin in the air and checking which side is showing when it lands, in order to randomly choose between two alternatives. It is a form of sortition which inherently has two possible outcomes. The party who calls the side that is facing up when the coin lands wins.

  6. Liberty Head double eagle - Wikipedia

    en.wikipedia.org/wiki/Liberty_Head_double_eagle

    Design discontinued. 1907. The Liberty Head double eagle or Coronet double eagle is an American twenty-dollar gold piece struck as a pattern coin in 1849, and for commerce from 1850 to 1907. It was designed by Mint of the United States Chief Engraver James B. Longacre . The largest denomination of United States coin authorized by the Mint Act ...

  7. 1-800-273-8255 (song) - Wikipedia

    en.wikipedia.org/wiki/1-800-273-8255_(song)

    "1-800-273-8255" (also known simply as "1-800") is a song by American rapper Logic featuring Canadian singer-songwriter Alessia Cara and American singer-songwriter Khalid. It was released on April 27, 2017, through Visionary Music Group and Def Jam Recordings , as the third single from Logic's third studio album, Everybody . [ 3 ]

  8. 500 yen coin - Wikipedia

    en.wikipedia.org/wiki/500_yen_coin

    The 500 yen coin ( Japanese: 五百円硬貨, Hepburn: Gohyaku-en kōka) is the largest denomination of Japanese yen coin issued for circulation. These coins were first struck in 1982 as the vending machine industry needed a higher valued coin for use in their machines. The denomination had previously been issued as paper currency which co ...

  9. I’m a Retirement Expert: 5 Things Retirees Should ... - AOL

    www.aol.com/m-retirement-expert-5-things...

    An estimated 46% of U.S. households have credit card debt, according to the 2022 Survey of Consumer Finances. The average household owes $7,226 in credit card debt and pays an average of $181 a ...