The Following Economic Model Predicts Whether a Voter Will Vote $\beta$

Multiple Choice

The following economic model predicts whether a voter will vote for an incumbent school board member INCUMBENT = $\beta$ ₁ + $\beta$ ₂ MALE + $\beta$ ₃ PARTY + $\beta$ ₄ MARRIED + $\beta$ ₅ KIDS
Where
INCUMBENT = 1 if the voter votes for them,0 otherwise,
MALE = 1 if the voter is a male,
PARTY indicates the voter is registered with the same political party as the incumbent,
MARRIED = 1 for married voters,0 otherwise,and
KIDS is the number of school age kids living in the voter's house.
How should we interpret $\beta$ ₄?

A) the likelihood the incumbent candidate is married
B) the percentage of married voters who vote for the incumbent
C) the probability a married person is registered to vote
D) the difference in probability a married voter will vote for the incumbent as opposed to an unmarried voter