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There are $250$ children signed up for karate at the local studio.

Of those, $70\%$ are boys and $30\%$ are girls. Assume a $95\%$ level of confidence and that these $250$ students represent a random sample of all children signed up for karate.

What is the margin of error for the percentage of girls taking karate?

A

$±2.898$%$

B

$±10.57\%$

C

$±5.68\%$

D

$±95\%$

E

$±30\%$

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