Answer
A person is a Tarheel if and only if the person was born in North Carolina.
Work Step by Step
Reversing a statement is similar to writing the converse of a conditional in that you switch the phrases at the start and end of the statement.
A person who was born in North Carolina is a Tarheel.
The given statement is reversible, because the reversed statement is true.
To write a biconditional, separate the starting and ending phrases with "if and only if".