# Chapter 8 - Section 8.2 - Estimation of a Population Mean: σ Known - Exercises - Page 322: 8.7

The confidence level is denoted by (1-α)100%, and it is associated with a confidence interval to state how much confidence we have that this interval contains the true population parameter. Confidence interval is constructed with regard to a given confidence level and is given as Point estimate ± Margin of error.

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