You take a random sample to estimate a population mean and your results have a confidence level of 80%.That means the process you used will give you correct results 80% of the time.

Question

Quizplus · Accepted Answer

A confidence level of 80% means that if you were to take many random samples and construct confidence intervals for each, approximately 80% of those intervals would contain the true population mean.

You Take a Random Sample to Estimate a Population Mean