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Independent random samples

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Reference no: EM132166992

Independent random samples, each containing 90 observations, were selected from two populations. The samples from populations 1 and 2 produced 31 and 19 successes, respectively. 

Test H0:(p1-p2)=0 against Ha:(p1-p2)≠0

Use α=0.05

(a) The test statistic is 

(b) The P-value is 

Reference no: EM132166992

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