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Coupon collector's problem. In probability theory, the coupon collector's problem refers to mathematical analysis of "collect all coupons and win" contests. It asks the following question: if each box of a given product (e.g., breakfast cereals) contains a coupon, and there are n different types of coupons, what is the probability that more ...
Map of ongoing armed conflicts (number of combat-related deaths in current or previous year): Major wars (10,000 or more) Wars (1,000–9,999) Minor conflicts (100–999) Skirmishes and clashes (1–99) The following is a list of ongoing armed conflicts that are taking place around the world.
After several unsuccessful predictions in 1994 and 1995, Camping predicted that the rapture and devastating earthquakes would occur on 21 May 2011, with God taking approximately 3% of the world's population into Heaven, and that the end of the world would occur five months later on October 21. [ 180] 29 Sep 2011.
South Africa. Belarus. Kazakhstan. Ukraine. v. t. e. Eight sovereign states have publicly announced successful detonation of nuclear weapons. [ 1] Five are considered to be nuclear-weapon states ( NWS) under the terms of the Treaty on the Non-Proliferation of Nuclear Weapons (NPT).
About 48.6% to 50.1% of all Christians are Catholics. [1] [2] According to the annual directory of the Catholic Church or Annuario Pontificio of 2024, there were 1.390 billion baptized Catholics in 2022. [7] [8] In 2024, the World Christian Database reported 1.278 billion Catholics. [1]
Buddhism. 6.6%. Folk religions. 5.6%. Sikhism. 0.3%. Other religions. 1.2%. The list of religious populations article provides a comprehensive overview of the distribution and size of religious groups around the world.
High, medium, and low projections of the future human world population [ 1] In world demographics, the world population is the total number of humans currently alive. It was estimated by the United Nations to have exceeded eight billion in mid-November 2022. It took around 300,000 years of human prehistory and history for the human population ...
[8] [1] [11] Among others, India has also experienced an economic boom since the implementation of economic liberalisation in the early 1990s. [ 12 ] The first list includes estimates compiled by the International Monetary Fund 's World Economic Outlook, the second list shows the World Bank 's data, and the third list includes data compiled by ...