The P-value for a hypothesis test concerning the difference in two population proportions is always calculated by finding the area to the right of the test statistic, regardless of the alternative hypothesis.

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The P-value for a hypothesis test concerning the difference in two population proportions is calculated based on the alternative hypothesis. If the alternative hypothesis is two-tailed, the P-value is found by calculating the area in both tails. If it is one-tailed, the P-value is found by calculating the area in the direction specified by the alternative hypothesis (either to the left or to the right of the test statistic).

The P-Value for a Hypothesis Test Concerning the Difference in Two