Question 5 Compute the availability (uptime) and the unavailability (downtime) of any system in terms of hours/ minutes per day and hours/days per year according to availability values 0.88, 0.99, and 0.998. Question 6 Equipment is operational for 7899 hours and requires 890 hours to repair. a. What is the system availability? b. What is the system unavailability? c. What is the outage due to equipment in hours per year? Question 7 If we are using equipment which has a mean time to failure (MTTF) of 83.5 years and mean time to repair (MTTR) of 2 hours. a. What is the system availability? b. What is the system unavailability? c. What is the outage due to equipment in hours per year