test statistic for a hypothesis test on a proportion came out to z=−1.82z=-1.82 ALSO illustrate the region your are finding on a normal curv

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2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.