Question

You estimate that there are 66 cars in a parking lot. The actual number of cars is 75.

A. Find the percent error
B.what other estimate gives the same percent error? Explain your reasoning.

Answer 1

The percent error is calculated as (|Measured Value - True Value| / True Value) * 100. In this case, the percent error is 12%. Another estimate that gives the same percent error can be found using the formula Estimated Value = True Value * (1 + Percent Error / 100). For example, an estimate that is 12% higher than 75 would be 84.

Step-by-step explanation:

The percent error can be calculated using the formula:

Percent Error = (|Measured Value - True Value| / True Value) * 100

Using the given values, we can calculate the percent error as follows:

(|66 - 75| / 75) * 100 = 12%

To find another estimate that gives the same percent error, we can use the formula:

Estimated Value = True Value * (1 + Percent Error / 100)

For example, an estimate that is 12% higher than 75 would be:

Estimated Value = 75 * (1 + 12/100) = 75 * 1.12 = 84

Answer 2

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