Variance of constant value in percents

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Nikolay Panasetsky 2016-1-14

编辑： Nikolay Panasetsky 2016-1-14

Hello. I want to generate random numbers around constant value X in percents.

For example: X=100, var=1%, then x=random number from 99 to 101.

I'm using the random number block, but I don't understand the variance parameter. Is there any blocks that could be helpful?

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