
Billy M. answered 03/10/22
Need a math tutor? I am a local Albany State Univ. math tutor
N = ((2.58*26.3)/1)^2= 4604.165316
approximately 4605 sample size will be needed
Cassie A.
asked 03/09/22You want to obtain a sample to estimate a population mean. Based on previous evidence, you believe the population standard deviation is approximately σ=26.3. You would like to be 99% confident that your estimate is within 1 of the true population mean. How large of a sample size is required?
[Do not round mid-calculation. However, use a critical value rounded to three decimal places — this is important for the system to check answers correctly.]
n = ______
Billy M. answered 03/10/22
Need a math tutor? I am a local Albany State Univ. math tutor
N = ((2.58*26.3)/1)^2= 4604.165316
approximately 4605 sample size will be needed
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