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1 天前 · Probability theory. In probability theory and statistics, a normal distribution or Gaussian distribution is a type of continuous probability distribution for a real-valued random variable. The general form of its probability density function is. The parameter is the mean or expectation of the distribution (and also its median and mode ), while ...
3 天前 · The Great Pyramid of Giza [a] is the largest Egyptian pyramid. It served as the tomb of pharaoh Khufu, who ruled during the Fourth Dynasty of the Old Kingdom. Built c. 2600 BC, [3] over a period of about 27 years, [4] the pyramid is the oldest of the Seven Wonders of the Ancient World, and the only wonder that has remained largely intact.
3 天前 · Osaka. Coordinates: 34°41′38″N 135°30′8″E. Osaka ( Japanese: 大阪市, Hepburn: Ōsaka-shi, pronounced [oːsakaɕi]; commonly just 大阪, Ōsaka [oːsaka] ⓘ) is a designated city in the Kansai region of Honshu in Japan, and one of the three major cities of Japan ( Tokyo -Osaka- Nagoya ).
1 天前 · Portugal, [e] officially the Portuguese Republic, [f] is a country located on the Iberian Peninsula, in Southwestern Europe, and whose territory also includes the Macaronesian archipelagos of the Azores and Madeira.
3 天前 · Gross domestic product (GDP) is the market value of all final goods and services from a nation in a given year. [2] . Countries are sorted by nominal GDP estimates from financial and statistical institutions, which are calculated at market or government official exchange rates.
5 小時前 · Jennifer Lynn Affleck [1] ( née Lopez; born July 24, 1969 [2] ), also known by her nickname J.Lo, is an American actress, singer, dancer and businesswoman.
2 天前 · Ohio ( / oʊˈhaɪ.oʊ / ⓘ oh-HY-oh) [13] is a state in the Midwestern region of the United States. Ohio borders Lake Erie to the north, Pennsylvania to the east, West Virginia to the southeast, Kentucky to the southwest, Indiana to the west, and Michigan to the northwest. Of the 50 U.S. states, it is the 34th-largest by area.
