p1 | p2 | p_{c} | |
0.413 | 0.4386 | 0.4272 | p (as decimal) |
19/46 | 25/57 | 44/103 | p (as fraction) |
19. | 25. | 44. | X |
46 | 57 | 103 | n |
-0.0256 | difference | ||
0. | hypothesized difference | ||
0.098 | std. error | ||
-0.26 | z | ||
.7944 | p-value (two-tailed) | ||
-0.1866 | confidence interval 90.% lower | ||
0.1355 | confidence interval 90.% upper | ||
0.1611 | margin of error |
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Option D is correct -0.187<p1-p2<0.136
Construct the indicated confidence interval for the difference between population proportions p1- P2. Assume that the...
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