Mathematics, 21.04.2020 21:36 ronalescobar2002
Suppose we take a survey and use the sample proportion to calculate a confidence interval. Which level of confidence gives the confidence interval with the largest margin of error? 90%, 95%, or 99%? Group of answer choices 99% 90% 95% It is impossible to tell which interval will have the largest margin of error.
Answers: 1
, and a confidence level of 
, we have the following confidence interval of proportions.
.
, z is the value of Z that has a pvalue of 
, so 
.
, z is the value of Z that has a pvalue of 
, so 
.
, z is the value of Z that has a pvalue of 
, so 
.
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