Multiple Choice
A metal washer of (outer) radius r inches weighs
ounces. A company manufactures 2-inch washers for different customers who have different error tolerances. If the customer demands a washer of weight
ounces, what is the error tolerance for the radius? That is, find
such that a radius of r within the interval
guarantees a weight within
.
A) 
B) 
C) 
D) 
Correct Answer:
Verified
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