The more times you do a test, the more accurate the results will be.
Since there are only 2 options/sides the probability should be 1/2 for both heads and tails.
Her error was both mathematical (her experimental probability number didn't make sense) and her lack of sufficient testing.
Rosa is correct. The perimeter of a parallelogram can be determined by adding the two sides and doubling the sum.
<h3>What is a paralleogram?</h3>
A parallelogram is a quadrilateral (a four-sided object) that is made up of parallel sides. Theopposite sides and angles are congruent .
The perimeter of the parallelogram is the distance round the shape. It is the sum of the four sides.
To learn more about the perimeter, please check: brainly.com/question/3205029