A service requires three steps. At each step there is the chance that something will go wrong. The reliabilities of each step are 0.70, 0.90, and 0.98. What is the reliability of the total service?
A) less than or equal to 0.55
B) greater than 0.55 but less than or equal to 0.60
C) greater than 0.60 but less than or equal to 0.65
D) greater than 0.65

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The Answer of A service requires three steps. At each step there is the chance that something will go wrong. The reliabilities of each step are 0.70, 0.90, and 0.98. What is the reliability of the total service?
A) less than or equal to 0.55
B) greater than 0.55 but less than or equal to 0.60
C) greater than 0.60 but less than or equal to 0.65
D) greater than 0.65

A Service Requires Three Steps