A system has three components and all three components need to be operational for 24 hours; Monday
through Friday. During a particular week, failure of component 1 occurred as follows:Tuesday = 8 AM to 11AM
Thursday = 8 PM to 10 PM
Friday = 5 AM to 9 AM
What is the mean time between failures on component 1 for that week?

A.
3 hours

B.
37 hours

C.
40 hours

D.
53 hours

Explanation: