RandomReal

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RandomReal[{min, max}]

yields a pseudorandom real number in the range from min to max.

RandomReal[max]

yields a pseudorandom real number in the range from 0 to max.

RandomReal[]

yields a pseudorandom real number in the range from 0 to 1.

RandomReal[range, n]

gives a list of n pseudorandom real numbers.

RandomReal[range, {$n_1$, $n_2$, ...}]

gives an $n_1$ x $n_2$ array of pseudorandom real numbers.

RandomInteger
RandomSample