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Math Forum » Discussions » sci.math.* » sci.stat.math.independent

Topic: Standard deviation of combined set of binomial trials
Replies: 9   Last Post: Sep 16, 2010 8:11 AM

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Luis A. Afonso

Posts: 4,273
From: LIsbon (Portugal)
Registered: 2/16/05
Re: Standard deviation of combined set of binomial trials
Posted: Sep 13, 2010 10:52 AM
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Warning
Ulrich´s formula does not shows explicitly that we are dealing with 300 , p=.2 , Bernouilli trials for A, and 300, p=.3 for B , as Ken demands.

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