Independent random samples, each containing 80 observations, were selected from two populations. The samples from populations 1 and 2 produced 66 and 56 successes, respectively.
Test H0:(p1−p2)=0
against Ha:(p1−p2)>0
. Use α=0.06
(a) The test statistic is
equation editorEquation Editor
(b) The P-value is
equation editorEquation Editor
(c) The final conclusion is
A. We can reject the null hypothesis that (p1−p2)=0
and accept that (p1−p2)>0
.
B. There is not sufficient evidence to reject the null hypothesis that (p1−p2)=0
.
Note: You can earn partial credit on this problem.
