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  2. Central limit theorem - Wikipedia

    en.wikipedia.org/wiki/Central_limit_theorem

    In probability theory, the central limit theorem (CLT) states that, under appropriate conditions, the distribution of a normalized version of the sample mean converges to a standard normal distribution.

  3. Cup product - Wikipedia

    en.wikipedia.org/wiki/Cup_product

    In mathematics, specifically in algebraic topology, the cup product is a method of adjoining two cocycles of degree p and q to form a composite cocycle of degree p + q.This defines an associative (and distributive) graded commutative product operation in cohomology, turning the cohomology of a space X into a graded ring, H ∗ (X), called the cohomology ring.

  4. Raymond Cho (actor) - Wikipedia

    en.wikipedia.org/wiki/Raymond_Cho_(actor)

    Raymond Cho Wing-Lim (Chinese: 曹永廉, born 16 October 1964) is a Hong Kong television actor, singer and host. He currently works for the television company, TVB . Cho began his career as a singer, winning a singing competition when he was 30 years old.

  5. Carrie Wong - Wikipedia

    en.wikipedia.org/wiki/Carrie_Wong

    The drama aired from 20 October 2014, to 16 October 2015, for 255 episodes on Channel 8. In 2015, Wong landed her first leading role in romance drama Sealed With A Kiss, acting alongside Rebecca Lim, Elvin Ng and Zhang Zhenhuan. The drama aired from 27 August to 24 September 2015, for 20 episodes on Channel 8.

  6. Characteristic function (probability theory) - Wikipedia

    en.wikipedia.org/wiki/Characteristic_function...

    The characteristic function is a way to describe a random variable X.The characteristic function, = ⁡ [],a function of t, determines the behavior and properties of the probability distribution of X.

  7. Selena Tan - Wikipedia

    en.wikipedia.org/wiki/Selena_Tan

    Selena Tan (born 29 July 1971) [1] is a Singaporean executive producer, director, writer, actress, businesswoman and former lawyer. She is best known as one of the cabaret trio, the Dim Sum Dollies.

  8. COVID-19 pandemic in Vietnam - Wikipedia

    en.wikipedia.org/wiki/COVID-19_pandemic_in_Vietnam

    Novel infectious diseases, such as COVID-19, are a significant public health threat. [30] Although human coronaviruses (CoVs) were known as major pathogens which caused respiratory illnesses, [31] [32] a new strain of coronavirus known as SARS-CoV caused an outbreak in 29 countries from 2002 to 2004.

  9. Lingzhi (mushroom) - Wikipedia

    en.wikipedia.org/wiki/Lingzhi_(mushroom)

    Ganoderma lingzhi — described by Cao et al. (2012) [2] as a novel species that may the best fit for traditional definitions of the lingzhi mushroom. However, Du et al. (2023) [ 3 ] found that it is the same species as G. sichuanense , so it is now treated as a later synonym.