To calculate the percent error, we need to take the difference between the predicted number of attendees and the actual number of attendees, divide that by the predicted number, and then multiply by 100.
The predicted number of attendees is 275.
The actual number of attendees is 265.
|275 - 265| / 275 * 100 = 10 / 275 * 100 ≈ 3.64%
Rounding to the nearest hundredth percent, the percent error is approximately 3.64%. Therefore, the correct answer is "O 3.77%".
Julian and Brittany mailed 275 wedding invitations to family and friends and predicted that they would all attend. Only 265 out of 275 people committed to attending the wedding. Calculate the percent error in their prediction. Round your answer to the nearest hundredth percent. (1 point)
O 0.038%
O -4.00%
O 3.77%
3.636
1 answer
1 answer