sample should be taken to provide a 95% confidence interval with a margin of error of...
At 95% confidence, how large a sample should be taken to obtain a margin of error of 0.039 for the estimation of a population proportion? Assume that past data are not available for developing a planning value for p*. Round up to the next whole number.
At 95% confidence, how large a sample should be taken to obtain a margin of error of 0.017 for the estimation of a population proportion? Assume that past data are not available for developing a planning value for p *. Round up to the next whole number.
At 90% confidence, how large a sample should be taken to obtain a margin of error of 0.011 for the estimation of a population proportion? Assume that past data are not available for developing a planning value for p. Round up to the next whole number
At 90% confidence, how large a sample should be taken to obtain a margin of 0.016 error of for the estimation of a population proportion? Assume that past data are not available for developing a planning value for p * . Round up to the next whole number.
How large a sample should be selected to provide a 95% confidence interval with a margin of error of 10? Assume that the population standard deviation is 20.
How large a sample should be selected to provide a 95% confidence interval with a margin of error of 10? Assume that the population standard deviation is 20. Round your answer to next whole number.
How large a sample should be selected to provide a 95% confidence interval with a margin of error of 10? Assume that the population standard deviation is 40. Round your answer to next whole number.
How large a sample should be selected to provide a 95% confidence interval with a margin of error of 7? Assume that the population standard deviation is 40 . Round your answer to next whole number.
How large a sample should be selected to provide a 95% confidence interval with a margin of error 1? Assume that the population standard deviation is 10. Round your answer to next whole number.
How large a sample should be selected to provide a confidence interval with a margin of error of 7? Assume that the population standard deviation is 10. Round your answer to next whole number.