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An electrical appliance will not work unless component QK does. Component QK's reliability is 0.95. Every other part of the appliance is 100% reliable. What would the reliability of the appliance be if a backup QK were added?
a. 0.95
b. 0.9795
c. 0.9975
d. 0.9205
e. 0.9025


Sagot :