Question

Alton estimated that 240 people attended the band concert. The actual count for attendance was 200 people. Find the percent of error.

8%
17%
20%
40%

Answer 1

(c) 20%

Explanation:

You want the percent error in an estimate of 240, when the actual count was 200.

Error

The percent error can be found by ...

error = (estimate/actual -1) × 100%

error = (240/200 -1) × 100%

error = (1.2 -1) × 100% = 20%

The error in the estimate was 20%.

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