Question: A company has 3 machines in a process. The reliability of the machines are as follows: Machine A - 0.70 Machine B - 0.95 Machine

A company has 3 machines in a process. The reliability of the machines are as follows: Machine A - 0.70 Machine B - 0.95 Machine C - 0.95 There is one back-up machine for Machine A. What is the reliability of the system without the back-up and what is the reliability of the system including the back-up? (Choose closest answer) Without back-up: 0.766, With the back-up: 0.887 Without back-up: 0.833, With the back-up: 0.920 Without back-up: 0.684, With the back-up: 0.821 Without back-up: 0.632. With the back-up: 0.821 Without back-up: 0.900. With the back-up:0.953 Without back-up 0.821. With the back-up: 0.886 A company has 3 machines in a process. The reliability of the machines are as follows: Machine A - 0.70 Machine B - 0.95 Machine C - 0.95 There is one back-up machine for Machine A. What is the reliability of the system without the back-up and what is the reliability of the system including the back-up? (Choose closest answer) Without back-up: 0.766, With the back-up: 0.887 Without back-up: 0.833, With the back-up: 0.920 Without back-up: 0.684, With the back-up: 0.821 Without back-up: 0.632. With the back-up: 0.821 Without back-up: 0.900. With the back-up:0.953 Without back-up 0.821. With the back-up: 0.886
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