Find the Margin of Error $\$ 453.59 < \mu < \$ 874.69$

Multiple Choice

Find the margin of error.
-A savings and loan association needs information concerning the checking account balances of its local customers. A random sample of 14 accounts was checked and yielded a mean balance of $664.14 and a standard deviation of $297.29. Find a 98% confidence interval for the true mean checking account balance for local customers.

A) $\$ 453.59 < \mu < \$ 874.69$
B) $\$ 492.52 < \mu < \$ 835.76$
C) $\$ 455.65 < \mu < \$ 872.63$
D) $\$ 493.71 < \mu < \$ 834.57$