Solution-What is the probability that the average fracture

The fracture strength of tempered glass averages 14 (measured in thousands of pounds per square inch) and has standard deviation 2.

a) What is the probability that the average fracture strength of 100 randomly selected pieces of this glass exceeds 14.5?

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What is the probability that the average fracture strength : the fracture strength of tempered glass averages 14 measured in thousands of pounds per square inch and has standard

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