The pickup time of an answering machine is set at 5 rings, but the machine picks up after 4 rings. What is the relative error?
A) −1 ring
B) 4 to 6 rings
C) −25%
D) −20%

Question

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The Answer of The pickup time of an answering machine is set at 5 rings, but the machine picks up after 4 rings. What is the relative error?
A) −1 ring
B) 4 to 6 rings
C) −25%
D) −20%

The Pickup Time of an Answering Machine Is Set at 5