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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 than t boxes need to be bought ...
This table lists all two-letter codes (set 1), one per language for ISO 639 macrolanguage, and some of the three-letter codes of the other sets, formerly parts 2 and 3. Entries in the Scope column distinguish: The Type column distinguishes: Language formed from English and Vanuatuan languages, with some French influence.
eBay Inc. ( / ˈiːbeɪ / EE-bay, often stylized as ebay or Ebay) is an American multinational e-commerce company based in San Jose, California, that allows users to buy or view items via retail sales through online marketplaces and websites in 190 markets worldwide.
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A UPC barcode. The Universal Product Code (UPC or UPC code) is a barcode symbology that is used worldwide for tracking trade items in stores.. The chosen symbology has bars (or spaces) of exactly 1, 2, 3, or 4 units wide each; each decimal digit to be encoded consists of two bars and two spaces chosen to have a total width of 7 units, in both an "even" and an "odd" parity form, which enables ...
The 1960 United States presidential election was the 44th quadrennial presidential election, held on Tuesday, November 8, 1960.The Democratic ticket of Senator John F. Kennedy and, his running mate, Senate Majority Leader Lyndon B. Johnson narrowly defeated the Republican ticket of incumbent Vice President Richard Nixon and his running mate, U.N. Ambassador Henry Cabot Lodge Jr.
Bayes' theorem (alternatively Bayes' law or Bayes' rule, after Thomas Bayes) gives a mathematical rule for inverting conditional probabilities, allowing us to find the probability of a cause given its effect. [1] For example, if the risk of developing health problems is known to increase with age, Bayes' theorem allows the risk to an individual ...
It is the capital and most populous city of Zhejiang Province in East China. [ 17]: 86 Hangzhou comprises 10 districts, 1 county-level city, and 2 counties. The ten urban districts occupy 8,292.31 km 2 (3,201.68 sq mi) and have a population of 8,241,000, in which there are six central urban districts and four suburban districts. The central ...