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Earlier I posted a topic on the uncertainty of a function that is F = os - ss , where os and ss are opposite-sign and same-sign, and are both binomial distributions. I want to know the uncertainty of my F,

I have found a equation for the mean, and rms of my function which are:

N(total) * (2*prob(os) -1 ) for the mean and

2 * SQRT { N(total) * prob(os) * (1 - prob(os)) } for the rms

where N(total) = os+ss

Is it possible to get an equation for the variance or uncertainty from the given information?

Thank you for reading

Kim

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# Uncertainty from mean and rms?

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