/ (ˈtʃɛbɪˌʃɒfs) /
statistics the fundamental theorem that the probability that a random variable differs from its mean by more than k standard deviations is less than or equal to 1/ k ²
What’s The #’s Real Name?A hash has referred to stripes on military jackets since as early as 1910. But, in the 1980s, people started using hash to refer to the # symbol.
Word Origin for Chebyshev's inequality
named after P. L. Chebyshev (1821–94), Russian mathematician
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