Determine the margin of error for a confidence interval to estimate the population proportion for the following
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Question:
Determine the margin of error for a confidence interval to estimate the population proportion for the following confidence levels with a sample proportion equal to 0.25 and n=120.
a. 90?% ????????????b. 95?% ????????????c. 97?%
a. The margin of error for a confidence interval to estimate the population proportion for the 90% confidence level is ________?
b. The margin of error for a confidence interval to estimate the population proportion for the 95% confidence level is ________?
c. The margin of error for a confidence interval to estimate the population proportion for the 97% confidence level is ________?
Use the table below.
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