Mathematics, 17.10.2020 09:01 OliviaParis8837
A telephone service representative believes that the proportion of customers completely satisfied with their local telephone service is different between the Northeast and the South. The representative's belief is based on the results of a survey. The survey included a random sample of 960 northeastern residents and 1100 southern residents. 56% of the northeastern residents and 44% of the southern residents reported that they were completely satisfied with their local telephone service. Find the 98% confidence interval for the difference in two proportions. Step 1 of 3 : Find the point estimate that should be used in constructing the confidence interval.
Answers: 1
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A telephone service representative believes that the proportion of customers completely satisfied wi...
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