Load and strength are normally distributed (units in thousand-pounds) as follows:

Load ~ Normal(35, 8);

Strength ~ Normal (85, 8)

Note: Normal (35,8) indicates a mean value of 35 and standard deviation of 8.

Calculate the safety factor and safety index of the structural design.

How would the standard deviation on load and strength change if safety index is limited to a value of 3?

Load ~ Normal(35, 8);

Strength ~ Normal (85, 8)

Note: Normal (35,8) indicates a mean value of 35 and standard deviation of 8.

Calculate the safety factor and safety index of the structural design.

How would the standard deviation on load and strength change if safety index is limited to a value of 3?

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