Acompany's records indicate that on any given day about 1% of their day shift employees and 3% 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?
c.) on any given day at some company, about 1% of the day-shift employees and 3 % of the night-shift employees are overtired. seventy percent of the employees work the day shift. what percent of overtired employees are on the night shift?