The population standard deviation for the number of pills in a supplement bottle is 16 pills. If we want to be 95% confident that the sample mean is within 5 pills of the true population mean, what is the minimum sample size that should be taken? z0.101.282z0.051.645z0.0251.960z0.0 12.326z0.0052.576 Use the table above for the z-score, and be sure to round up to the nearest integer.