Suppose that a three-stage process had reliability ratings of .77, .7, and .96 at each station and that a failure at any station represented a failure for the entire process. If each station is given a redundant check with .87 reliability, what is the increase in system reliability?

Initial process with no redundancy

R1:

R2:

R3:

Reliability:

New Process with redundancy

R1-r:

R2-r:

R3-r:

Reliability-new:

Difference: