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2 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 · Alan Mathison Turing OBE FRS (/ ˈ tj ʊər ɪ ŋ /; 23 June 1912 – 7 June 1954) was an English mathematician, computer scientist, logician, cryptanalyst, philosopher and theoretical biologist. Turing was highly influential in the development of theoretical computer science, providing a formalisation of the concepts of algorithm and computation with the Turing machine, which can be ...
2 天前 · Binomial distribution for = with n and k as in Pascal's triangleThe probability that a ball in a Galton box with 8 layers (n = 8) ends up in the central bin (k = 4) is /. In probability theory and statistics, the binomial distribution with parameters n and p is the discrete probability distribution of the number of successes in a sequence of n independent experiments, each asking a yes–no ...
22 小時前 · The demographics of Israel, monitored by the Israel Central Bureau of Statistics, encompass various attributes that define the nation's populace.Since its establishment in 1948, Israel has witnessed significant changes in its demographics.Formed as a homeland for the Jewish people, Israel has attracted Jewish immigrants from Europe, Asia, Africa, and the Americas.
1 天前 · History Early history The hypothesis of dark matter has an elaborate history. In the appendices of the book Baltimore lectures on molecular dynamics and the wave theory of light where the main text was based on a series of lectures given in 1884, Lord Kelvin discussed the potential number of stars around the Sun from the observed velocity dispersion of the stars near the Sun, assuming that the ...
22 小時前 · Denmark (Danish: Danmark, pronounced [ˈtænmɑk] ⓘ) is a Nordic country in the south-central portion of Northern Europe. It is the metropolitan part of and the most populous constituent of the Kingdom of Denmark,[N 8] a constitutionally unitary state that includes the autonomous territories of the Faroe Islands and Greenland in the North ...
22 小時前 · Madonna Louise Ciccone [a] ( / tʃɪˈkoʊni /; born August 16, 1958) is an American singer, songwriter, and actress. Nicknamed the " Queen of Pop ", she has been recognized for her continual reinvention and versatility in music production, songwriting and visual presentation. Madonna's works, which incorporate social, political, sexual, and ...
