Samples of the Wires Coming Off the Production Line Were

Multiple Choice

Samples of the wires coming off the production line were tested for tensile strength. The statistical results (in PSI) were: According to the Empirical Rule, the middle 95 percent of the wires tested between approximately what two values?

A) 450 and 550
B) 460 and 540
C) 420 and 580
D) 380 and 620