Suppose in testing a hypothesis about a proportion, the z test statistic is computed to be 1.92. The null hypothesis should be rejected if the chosen level of significance is 0.01 and a two-tailed test is used.

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With a two-tailed test at the 0.01 level of significance, the critical z values are approximately ±2.58. Since 1.92 does not exceed these values, the null hypothesis should not be rejected based on this test statistic.

Suppose in Testing a Hypothesis About a Proportion, the Z