A System Is Composed of Four Parts, J, K, L

Multiple Choice

A system is composed of four parts, J, K, L, and M. All four must function for the system to function. The four component reliabilities are .99, .98, .992, and .998. The designers are considering putting an 80% reliable backup at K. This backup will change the system reliability from ________ to ________.

A) 0.9762; 0.9605
B) 0.9605; 0.9762
C) 0.9605; some smaller value
D) 0.9605; 0.996
E) 0.98; 0.99