Sample Size Calculator for CI of the Mean for Known Population
Standard Deviation
This applet calculates unknown quantities for a confidence interval
of the mean with known population standard deviation. You may
select the item to solve for and enter values for the remaining 3.
The length is the total length of the confidence interval and
alpha is the value of the 100(1-alpha)% confidence interval.
Click the Run button below when the applet has completed loading.