Mark and Mathew signed up to walk in a 5K walk/run race. They predict it will take them 60 minutes to complete the race. Mark and Matthew finished the race in 53 minutes. What is the percent error? Round to the nearest tenth
To find the percent error, we first need to find the absolute error, which is the difference between the predicted time and the actual time:
Absolute Error = Predicted Time - Actual Time
Absolute Error = 60 minutes - 53 minutes
Absolute Error = 7 minutes
Next, we can calculate the percent error using the formula:
Percent Error = (Absolute Error / Predicted Time) * 100
Percent Error = (7 minutes / 60 minutes) * 100
Percent Error = 11.7
Rounding to the nearest tenth, the percent error is 11.7%.