When the necessary conditions are met, a two-tail test is being conducted to test the difference between two population proportions. The two sample proportions are p1 = 0.25 and p2 = 0.20, and the standard error of the sampling distribution of p1 - p2 is 0.04 . The calculated value of the test statistic will be:
a. z = 0.25.
b. z = 1.25.
c. t = 0.25.
d. t = 0.80.
B
Business
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