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