Question: In the reliability - based structural design, suppose that the shear strength is followed a normal distribution with mean value of 2 1 8 .

In the reliability-based structural design, suppose that the shear strength is followed a normal distribution with mean value of 218.5kN and standard deviation of 21.85kN, and that the shear force due to external load is followed a normal distribution with mean value of 150kN and standard deviation of 20kN. Find the reliability index .
In the reliability-based structural design, suppose that the shear strength is

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