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I'm having issue finding the standard deviation.. I foundd the mean just need help explaining how to find the standard deviation 7 Find the mean

I'm having issue finding the standard deviation.. I foundd the mean just need help explaining how to find the standard deviation

7 Find the mean and standard deviation for each binomial random variable: a. n= 46, T= .60 (Round your mean value to 2 decimal places and standard deviation to 4 decimal places.) 5 points Mean 27.6 Standard deviation eBook b. n= 84.

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