Contruct a 99% confidence interval for "mew" if the sample size n=22, x-bar=50, s=8 ?
If n=15, ¯xx¯(x-bar)=48, and s=15, construct a confidence interval at a 99% confidence level. Assume the data came from a normally distributed population. Give your answers to one decimal place. < μμ < Submit Question
.Find a 99% confidence interval for μ if n-100. b, Find a 99% confidence interval for μ if n 400. e. Find the widths of the holding the confidence a.The 99% confidence interval for μ if n-100i8 approxmatelyOO Round to three decimal places as needed.) b. The 99% confidence interval p if n-400 is approximately Round to threç decimal places as needed.) 0 1 of 2 O A. Quadrupling the sample size while holding the confidence coefficient fixed increases the...
Determine the sample size n needed to construct a 99% confidence interval to estimate the population mean when σ=33 and the margin of error equal 5 n=?
Determine the sample size n needed to construct a 99% confidence interval to estimate the population mean for the following margins of error when σ=77. a) 5 b) 8 c) 10 a)n= (Round up to the nearest integer.) b)n= (Round up to the nearest integer.) c)n= (Round up to the nearest integer.)
If n=15. (x-bar)=50, and s=9, construct a confidence interval at a 80% confidence level. Assume the data came from a normally distributed population. Give your answers to one decimal place. <μ<
Determine the sample size n needed to construct a 99% confidence interval to estimate the population mean when σ=87 and the margin of error equals 12. n =___(Round up to the nearest integer.)
a sample size of _ is needed So there a 99% confidence interval will have a margin of error of three.so there a 99% confidence interval will have a margin of error of three. 1. simple random sample of 100 2. mean was 125 hours 3. standard deviation is 20 hours.
If Upper X =112, σ= 22, and n= 31, construct a 99% confidence interval estimate of the population mean, mu .
Construct a 99% confidence interval to estimate the population mean using the data below. X = 46 o = 12 n42 With 99% confidence, when n = 42 the population mean is between a lower limit of (Round to two decimal places as needed.) and an upper limit of Construct a 95% confidence interval to estimate the population mean with X = 102 and o = 25 for the following sample sizes. a) n = 32 b) n = 45...
If n=30, ¯ x x¯ (x-bar)=47, and s=4, find the margin of error at a 99% confidence level