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Mathematics, 11.12.2019 18:31 isabellesmith51317
You are evaluating the effectiveness of improvements your company has made to a new mobile app. the 95% confidence interval for the difference between the proportion of users who prefer the old version and the proportion who prefer the new version is 0.043 ± 0.094. at the 0.05 level of significance, should you reject the null hypothesis that there is no difference between the proportions?
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