Explore BrainMass

What sample size will be required?

A survey is being planned to estimate, with a 98% confidence interval, the mean amount of time per week that seniors spend watching television. The population standard deviation is known to be 5.2 hours. What sample size will be required to obtain estimate that is within 0.5 hours of the population mean?
Please see the attached.
Only answer if you are completely sure.


Solution Summary

The Solution provides the minimum required sample size.