By applying error function tables for the mean and standard deviation values calculated in problem 4.3, estimate: (a) How many measurements are less than 4.00 (b) How many measurements are less than...

By applying error function tables for the mean and standard deviation values calculated in problem 4.3, estimate:

(a) How many measurements are less than 4.00

(b) How many measurements are less than 3.95

(c) How many measurements are between 3.98 and 4.02

Check your answers against the real data.