The z-statistic for a one-sided test is z=2.29 this test is  A) not statistically significant at either a=0.05 or a=0.01  B) statistically significant at a= 0.05 but not at a=0.01  C) statistically significant at both a=0.05 and a=0.01

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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.