In an earlier vote today, the convention set up a three-way contest in the primary for lieutenant governor.
In 2007, he earned 73% of the vote in a three-way contest.
Scalise received 19,154 votes (61 percent) in a three-way contest.
Studebaker won the Democratic primary in a three-way contest with 56% of the vote on May 2.
The change in vote share and swing are compared to the previous three-way contest in January 1910.
But it left unanswered what sort of role he is seeking to play in the three-way presidential contest next year.
In a three-way contest, he won the nomination with just 39 percent of the vote.
Considered a serious contender in 1997, she finished third in a narrow three-way contest.
Constant was reelected in June 2010 with 66% in a three-way contest.
He won more than 50 percent of the vote in a three-way contest that he entered late.