Multiple Choice
A sample of wires coming off the production line was tested for tensile strength. The statistical results (in PSI) were the following: 
According to the Empirical rule,the middle 95% of the wires tested had a tensile strength between approximately what two values?
A) 450 and 550
B) 460 and 540
C) 420 and 580
D) 380 and 620
Correct Answer:
Verified
Correct Answer:
Verified
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