A nutritionist wants to estimate the mean daily calcium intake for teenagers. She wants to be 99%99\% confident that the sample mean is within 2020 milligrams of the true mean. If the population standard deviation is known to be 8585 milligrams, what is the minimum sample size that is required?

A nutritionist wants to estimate the mean daily calcium intake fo...

Confidence Intervals for Population Mean: Videos & Practice Problems

A nutritionist wants to estimate the mean daily calcium intake for teenagers. She wants to be 99%99\% confident that the sample mean is within 2020 milligrams of the true mean. If the population standard deviation is known to be 8585 milligrams, what is the minimum sample size that is required?