What Is The Minimum Sample Size Needed For A 99 Confidence Interval. Answer to What is the minimal sample size needed for a 99 confidence interval to have a maximal margin of error of 009 a if a. If you want the margin of error to be no more than 10 what is the minimum sample size that is needed.
Jan 11 2021 If the degree of confidence is 99 then the critical values separate the middle 99 of the possible statistics from the rest of the distribution. Acceptance Sampling by Attributes by. Adults ages 18 to 24 have had an HIV test.
90 95 98 and 99.
So the formula for obtaining the required sample size is obtained by taking the above equation and solving for n. Determine the minimum sample size needed to construct a 99 confidence interval for the population mean. Find the minimum sample size needed when a previous survey found that 31 of US. In 2001 a Gallup poll surveyed 1016 households in the US about their pets.
