A company's records indicate that on any given day about 1 % of their day-shift employees and

Question:

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?