A sample of size 200 from population 1 has 50 successes. A sample of size 200 from population 2 has 40 successes. The value of the test statistic for testing the null hypothesis that the proportion of successes in population 1 exceeds the proportion of successes in population 2 by 0.025 is:
A) 1.96.
B) 1.25.
C) 0.5998.
D) 1.20.

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The Answer of A sample of size 200 from population 1 has 50 successes. A sample of size 200 from population 2 has 40 successes. The value of the test statistic for testing the null hypothesis that the proportion of successes in population 1 exceeds the proportion of successes in population 2 by 0.025 is:
A) 1.96.
B) 1.25.
C) 0.5998.
D) 1.20.

A Sample of Size 200 from Population 1 Has 50