Determine the minimum sample size required when you want to be 95% confident that the sample mean is within one unit of the population mean and standard deviation is 15.9. Assume the population is normally distributed.
Determine the minimum sample size required when you want to be 95% confident that the sample...
Q1. Determine the minimum sample size required when you want to be 95% confident that the sample mean is within 1.3 unites of the population mean. Assume that the population is normally distributed with standard deviation σ = 5.1. a. The critical value: b. The margin of error: c. The sample size:
Determine the minimum sample size required when you want to be 99% confident that the sample mean is within one unit of the population mean and sigma equals 16.3. Assume the population is normally distributed.
Determine the minimum sample size required when you want to be 90% confident that the sample mean is within one unit of the population mean and sigma=19.8. Assume the population is normally distributed. A 90 % confidence level requires a sample size of?
Determine the minimum sample size required when you want to be 90% confident that the sample mean is within one unit of the population mean and sigma=19.3. Assume the population is normally distributed. A 90 % confidence level requires a sample size of nothing. (Round up to the nearest whole number as needed.)
ats 6.1.47 Question Help k Determine the minimum sample size required when you want to be 95% confident that the sample mean is within one unit of the population mean and a = 12.9. Assume the population is normally distributed A 95% confidence level requires a sample size of I (Round up to the nearest whole number as needed.) th Contents
A) If you want to be 95% confident of estimating the population mean to within a sampling error of plus or minus 2 and the standard deviation is assumed to be 16, what sample size is required? The sample size required is _____ (Round up to the nearest integer.) B) If you want to be 95% confident of estimating the population proportion to within a sampling error of plus or minus 0.06, what sample size is needed? A sample size...
If you want to be 95% confident of estimating the population mean to within a sampling error of plus or minus ± 5 and the standard deviation is assumed to be 17, what sample size is required? The sample size required is ________
If you want to be 95% confident of estimating the population mean to within a sampling error of + or - 25 and the standard deviation is assumed to be 100, what sample size is required? The sample size required is _______. (Round up to the nearest integer.)
If you want to be 95% confident of estimating the population mean to within a sampling error of plus or minus ±25 and the standard deviation is assumed to be 125, what sample size is required?
If you want to be 95% confident of estimating the population mean to within a sampling error of plus or minus ±15 and the standard deviation is assumed to be 90, what sample size is required?