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You estimate that there are 69 marbles in a jar. The actual amount is 77 marbles. Find the percent error. Round to the nearest tenth of a percent if necessary.

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Answer:

Step-by-step explanation:

Given that You estimate that there are 69 marbles in a jar. The actual amount is 77 marbles

Actual marbles = 77

Your estimate = 69

Error = difference = actual -estimate = 8

Percentage error = error/actual *100

Percent error = [tex]\frac{8*100}{77} \\=10.389\\=10.4[/tex]

So percentage error = 10.4