Assignment:
Robert Klassan Manufacturing, a medical equipment manufacturer, subjected 100 heart pacemakers to 5,000 hours of testing. Halfway through the testing, 5 pacemakers failed. What was the failure rate in terms of the following:
a) Percentage of failures?
b) Number of failures per unit-hour?
c) Number of failures per unit-year?
d) If 1,100 people receive pacemaker implants, how many units can we expect to fail during the following year?
Provide complete and step by step solution for the question and show calculations and use formulas.