Question: You re a civil engineer checking reinforcing rebars for constructing a reinforced concrete building. The length, diameter, and yield strength of rebars are classified as

Youre a civil engineer checking reinforcing rebars for constructing a reinforced concrete building.
The length, diameter, and yield strength of rebars are classified as being either within or outside
specified tolerance limits. In a quality inspection, 86% of the rebars are found to be within the
specified tolerance limits for diameter, but only 80% of rebars are within specified limits for all
three dimensions. Further, 2% of the rebars are within the limits for diameter and length but not
for yield strength, and 3% of rebars are within limits for diameter and yield strength but not
length. Also, 92% of rebars are within limits for either diameter or yield strength or both. If a
rebar is within the specified tolerance limits for yield strength, what is the probability that it will
also be within the specified limits for diameter?
Approach: 2pt
Computation: 2pt
Numerical result: 1pt

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