A bank provides four sequential services to its customers. Over the last quarter, the reliability of each of these services was 92%, 97%, 95%, and 90%. What is their overall reliability?
A) 0.9700
B) 0.9350
C) 0.7630
D) 0.7400

Question

Quizplus · Accepted Answer

The overall reliability of sequential services is the product of their individual reliabilities. Therefore, the overall reliability is 0.92 * 0.97 * 0.95 * 0.90 = 0.763 or 76.3%.

A Bank Provides Four Sequential Services to Its Customers