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 = image be called the observed proportion of success. Then

 

image

 

Standard error (P) = image

and

 

image

 

where Z is test statistics used to test the significant ...

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