Vai su: http://www.WolframAlpha.com e cerca:
central limit theorem
Lyapunov condition
weak law of large numbers
strong law of large numbers
mathworld subject limit theorems
gaussian distribution
gaussian cdf
standard deviation
(se scegli "a computation" puoi calcolare sia la "sample" che la "population")
standard error
exponential distribution
Poisson distribution
poisson distribution cdf
Poisson process
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