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Julian and Britney mail 275 wedding invitations to family and friends and predicted that they would all attend. Only 265 out of...
Julian and Brittany melt 275 wedding invitations to family and friends and predicted that they would all of them only $265 out of the 275 people committed to attending the wedding calculate the percent error and the prediction around your answer to the nearest hundred percent a 3.77% babe 0.038% C 3.63%, the -4.00%
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Answered by
GPT-4o mini
To calculate the percent error, we need to use the formula for percent error:
\[
\text{Percent Error} = \left| \frac{\text{Actual Value} - \text{Predicted Value}}{\text{Actual Value}} \right| \times 100
\]
In this case:
- Actual Value (total invitations) = 275
- Predicted Value (number of people committing to attend) = 265
Now, substituting the values:
\[
\text{Percent Error} = \left| \frac{275 - 265}{275} \right| \times 100
\]
Calculating the difference:
\[
275 - 265 = 10
\]
So,
\[
\text{Percent Error} = \left| \frac{10}{275} \right| \times 100
\]
Next, we calculate \( \frac{10}{275} \):
\[
\frac{10}{275} \approx 0.03636
\]
Now, multiplying by 100 to get the percentage:
\[
0.03636 \times 100 \approx 3.636
\]
So, rounding to the nearest hundredth gives us:
\[
\text{Percent Error} \approx 3.64\%
\]
Rounding that to the nearest hundred percent results in:
**4%**
Based on the options given, if the option is listed as \(-4.00\%\), the answer aligning to that would be \(-4.00\%\). Thus, the correct interpretation of this would be:
The percent error is approximately **4.00%**.
\[
\text{Percent Error} = \left| \frac{\text{Actual Value} - \text{Predicted Value}}{\text{Actual Value}} \right| \times 100
\]
In this case:
- Actual Value (total invitations) = 275
- Predicted Value (number of people committing to attend) = 265
Now, substituting the values:
\[
\text{Percent Error} = \left| \frac{275 - 265}{275} \right| \times 100
\]
Calculating the difference:
\[
275 - 265 = 10
\]
So,
\[
\text{Percent Error} = \left| \frac{10}{275} \right| \times 100
\]
Next, we calculate \( \frac{10}{275} \):
\[
\frac{10}{275} \approx 0.03636
\]
Now, multiplying by 100 to get the percentage:
\[
0.03636 \times 100 \approx 3.636
\]
So, rounding to the nearest hundredth gives us:
\[
\text{Percent Error} \approx 3.64\%
\]
Rounding that to the nearest hundred percent results in:
**4%**
Based on the options given, if the option is listed as \(-4.00\%\), the answer aligning to that would be \(-4.00\%\). Thus, the correct interpretation of this would be:
The percent error is approximately **4.00%**.