An ATM machine provides four sequential steps in processing a transaction. Over the last quarter, the reliability of each of these steps was 0.92, 0.97, 0.95, and 0.90. What is the overall reliability of the machine?
A) Less than 0.60
B) Equal to or greater than 0.60 but less than 0.70
C) Equal to or greater than 0.70 but less than 0.80
D) Equal to or greater than 0.80 but less than 0.90
Correct Answer:
Verified
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