A Manufacturer of Tow Chains Finds That the Average Breaking

Multiple Choice

A manufacturer of tow chains finds that the average breaking point is at 3,500 pounds and the standard deviation is 250 pounds.If you pull a weight of at least 4200 pounds with this tow chain,what percentage of the time would you expect the chain to break?

A) 2.8%
B) 0.26%
C) 49.74%
D) 99.74%
E) 50%