24.27 TEST OF SIGNIFICANCE FOR SINGLE PROPORTION
Let X be the number of successes in n independent trials with probability p of success for each trial. Then
E(X) = np, variation (X) = npq, q = 1 – p.
Let P = 
be called the observed proportion of success. Then
Standard error (P) = 
and
where Z is test statistics used to test the significant ...
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