This operations management lecture covers calculating series, parallel (redundancy), and combined reliability. Also covered is dealing with unreliability switches for redundancy. MTBF, MTR, and availability are also covered.
My university students can access the video tutorials for operations management using the Content menu in D2L. YouTube can access the video tutorials at https://www.udemy.com/course/working-operations-management-problems/learn/lecture/870444?referralCode=32A13BE7F024980C0BE6#overview