The population standard deviation for the heights of dogs, in inches, in a city is3.5inches. If we want to be98%

confident that the sample mean is within1 inch of the true population mean, what is the minimum sample size that can be taken?

z0.10 1.282

z0.05 1.645

z0.04 1.751

z0.025 1.960

z0.01 2.326

z0.005 2.576

Use the table above for thez-score, and be sure to round up to the nearest integer.