A sample of size 150 from population 1 has 40 successes. A sample of size 250 from population 2 has 30 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 0.05 is: $\begin{array} { | l | l | }
\hline \text { A. } & 1.645 \
\hline \text { B. } & 2.327 . \
\hline \text { C. } & 1.960 . \
\hline \text { D. } & 1.977 \
\hline
\end{array}$

Question

A sample of size 150 from population 1 has 40 successes. A sample of size 250 from population 2 has 30 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 0.05 is: $\begin{array} { | l | l | } 
\hline \text { A. } & 1.645 \
\hline \text { B. } & 2.327 . \
\hline \text { C. } & 1.960 . \
\hline \text { D. } & 1.977 \
\hline
\end{array}$

Quizplus · Accepted Answer

The Answer of A sample of size 150 from population 1 has 40 successes. A sample of size 250 from population 2 has 30 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 0.05 is: $\begin{array} { | l | l | } 
\hline \text { A. } & 1.645 \
\hline \text { B. } & 2.327 . \
\hline \text { C. } & 1.960 . \
\hline \text { D. } & 1.977 \
\hline
\end{array}$

A Sample of Size 150 from Population 1 Has 40