Read the proposition and the implication shown below. "If the lights are off, there is no one inside." Which statement is a contrapositive to the proposition and logically equivalent to it?

The contrapositive switches the hypothesis and the conclusion and negates both in this form:

Statement: If A, then B

Contrapositive: If not B, then not A.

In this case, the statement is:

"If the lights are off, there is no one inside."

Contrapositive:

If there is someone inside, the lights are on.