Asked by robyn
You intend to estimate a population proportion with a confidence interval. The data suggests that the normal distribution is a reasonable approximation for the binomial distribution in this case.
Find the critical value that corresponds to a confidence level of 98%.
(Report answer accurate to three decimal places with appropriate rounding.)
Find the critical value that corresponds to a confidence level of 98%.
(Report answer accurate to three decimal places with appropriate rounding.)
Answers
Answered by
Anonymous
98% = mean ± 2.33 SEm
SEm = SD/√n
SEm = SD/√n
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