Question

A basketball player guesses her team will score 57 points during the game. The player's team actually scores 63 points. What is the percent error in the player's guess? Round your answer to the nearest tenth of a percent. Enter your answer in the box.
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Answer 1

I might be wrong, but i believe the answer is 9.5

Answer 2

Answer: The percent error in the player's guess is 9.5%.

Step-by-step explanation:

Given : A basketball player guesses her team will score 57 points during the game.

The player's team actually scores 63 points.

i.e. The actual core = 63 points

The estimated score = 57 points

Then , the percent error in the player's guess would be :

$=\dfrac{|\text{Estimated score-Actual score}|}{\text{Actual score}}\times100\\\\=\dfrac{|57-63|}{63}\times100\\\\=\dfrac{|-6|}{63}\times100\\\\=\dfrac{6}{63}\times100=9.52380952381\%\\\\\approx9.5\%$

Hence, the percent error in the player's guess is 9.5%.