Absenteeism, part II. At the company described in given Exercise, what percent of the absent employees are on the night shift?

Exercise :
Absenteeism

A company s records indicate that on any given day about 1% of their day-shift employees and 2% of the night-shift employees will miss work. Sixty percent of the employees work the day shift.

a) Is absenteeism independent of shift worked? Explain.

b) What percent of employees are absent on any given day?