dyosang gwapa

This page lists questions and answers that were posted by visitors named dyosang gwapa.

Questions

The following questions were asked by visitors named dyosang gwapa.

Answers

The following answers were posted by visitors named dyosang gwapa.

This is 1-Proportion Z-Test with p = 420 / 500 = 0.84 Ho: mean proportion = 0.856 Ha: mean proportion ≠ 0.856 [Since we are using ≠ , this is a two-tailed test] z-statistic = (0.84 - 0.856) / sqrt[ (0.856)(1-0.856) / 500] = -1.019 p-value = (2)P(z < -1.01...