If you want to be99​% confident of estimating the population proportion to within a sampling error of ±0.06,what sample size is​ needed?

You want to obtain a sample to estimate a population proportion. Based on previous evidence, you believe the population proportion is approximately p = 0.87. You would like to be 96% confident that your esimate is within 4% of the true population proportion. How large of a sample size is required?

You want to obtain a sample to estimate a population proportion. Based on previous evidence, you believe the population proportion is approximately p = 0.58. You would like to be 95% confident that your esimate is within 5% of the true population proportion. How large of a sample size is required?

READ AND SOLVE THE FOLLOWING: Interval Estimate of Sample Mean 4. The mean score of random samples of 26 student applicant who took the quarterly examination is calculated to be 79.2. The population variance is known to be 49. Find the 99% confidence interval for the mean of entire student.

You want to obtain a sample to estimate a population proportion. Based on previous evidence, you believe the population proportion is approximately p = 0.12. You would like to be 99% confident that your esimate is within 1.5% of the true population proportion. How large of a sample size is required?

You want to obtain a sample to estimate the proportion of a population that possess a particular genetic marker.  Based on previous evidence, you believe approximately p=68% of the population have the genetic marker.  You would like to be 99% confident that your estimate is within 1.5% of the true population proportion.  How large of a sample size is required?

You want to obtain a sample to estimate a population proportion. Based on previous evidence, you believe the population proportion is approximately p = 0.3. You would like to be 97% confident that your esimate is within 4% of the true population proportion. How large of a sample size is required?

You want to obtain a sample to estimate a population proportion. Based on previous evidence, you believe the population proportion is approximately p = 0.67. You would like to be 98% confident that your esimate is within 4% of the true population proportion. How large of a sample size is required?

You want to obtain a sample to estimate a population proportion. At this point in time, you have no reasonable preliminary estimation for the population proportion. You would like to be 95% confident that you estimate is within 2% of the true population proportion. How large of a sample size is required?

What sample size is needed to give a margin of error within+3% in estimating a population proportion with 90% confidence? We estimate that the population proportion is about 0.25. Round your answer up to the nearest integer. Sample size = i