Question

Annie estimates that the height of a bookcase is 78. 25 in. The actual height is 75. 50 in. To the nearest tenth of a percent, what is the percent error in Annie's estimate? Enter your answer in the box. %.

Answer 1

The error percentage is 4.13%.

Error percentage

The amount of mistakes is expressed as if it is a part of the total which is a hundred. The ratio can be expressed as a fraction of 100. The word percent means per 100. It is represented by the symbol ‘%’.

Given

Annie estimates that the height of a bookcase is 78.25 in.

The actual height is 75.50 in.

To find

The error percentage.

How to find the error percentage?

We know the formula for the error percentage.

$\rm \% Error = \dfrac{Measured \ value- Actual\ value}{Actual\ value} * 100\\\\ \% Error = \dfrac{78.25 - 75.50}{78.75}*100\\\\ \% Error = \dfrac{3.25}{78.75}*100\\\\ \% Error = 0.0413*100\\\\ \% Error = 4.13 \%$

The error percentage is 4.13%.

More about the error link is given below.

brainly.com/question/13286220