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amina's math class had 24 students yesterday. she miscounted the class total and recorded it as 20 students.what Is amina's percent error.
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38 votes
amina's math class had 24 students yesterday. she miscounted the class total and recorded it as 20 students.what Is amina's percent error.

User Paris Liakos
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1 Answer

17 votes
17 votes

Amina's Percent error is 16.67%

Here, we are interested in calculating the percentage error

Mathematically, we use the formula below to calculate the percentage error


\begin{gathered} \text{percentage error = }\frac{error}{\text{true value}}\text{ }*\text{ 100 percent} \\ \\ \text{Where error = }|Approximated\text value - true value \\ \\ \text{Approx. value = 20} \\ \operatorname{Re}al\text{ value = 24} \\ \\ \text20-24 \\ \\ \text{percentage error = }(4)/(24)\text{ }*\text{ 100 = }(100)/(6)\text{ = 16.67 percent} \end{gathered}

User Mahdi Afzal
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