A test involving 310 men ages 20 to 24 found that their blood cholesterol levels had a mean of 180 mg/dl and a standard deviation of 44.5 mg/dl. (a) Determine the z -score, to the nearest hundredth,...

A test involving 310 men ages 20 to 24 found that their blood cholesterol levels had a mean of 180 mg/dl and a standard deviation of 44.5 mg/dl.

(a) Determine thez-score, to the nearest hundredth, for one of the men who had a blood cholesterol level of 217 mg/dl.

z₂₁₇ =