Question

What is the system reliability when two components having reliability of 80% and 90% are combined in parallel?

Answer 1

Answer:

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Answer 2

The system reliability is 0.98.

For parallel system reliability can be calculated by the formula -

R=1-(1-R1)(1-R2)......

For given question -

R1= 80%

R1= 0.8

R2= 90%

R2= 0.9

Putting the values in equation -

R= 1-(1-0.8)(1-0.9)

R= 1-0.02

R= 0.98