Find the Margin of Error $n = 30 , \bar { x } = 86.5 , s = 10.3,90$

Multiple Choice

Find the margin of error.
- $n = 30 , \bar { x } = 86.5 , s = 10.3,90$ percent

A) $81.32 < \mu < 91.68$
B) $83.31 < \mu < 89.69$
C) $83.32 < \mu < 89.68$
D) $82.65 < \mu < 90.35$