# What does the confidence interval of a sample tell you?

##### 1 Answer

Nov 11, 2015

See the explanation.

#### Explanation:

A confidence interval is an interval within which a parameter is expected to lie.

If we say that the 95% confidence interval for the population mean is 10 <

#mu# < 22 , it means that

Pr[10<#mu# <22] = 0.95