ORLANDO, Fla. -- A majority of Florida voters in a new WESH 2 News Mason-Dixon Poll said they plan to vote in favor of a constitutional amendment to define marriage as being between one man and one woman.

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The poll results showed 55 percent of respondents would vote yes, while 34 percent planned to vote no. Eleven percent remain undecided.

The amendment will require approval from 60 percent of state voters in order to become law. While the current support level is below that threshold, historical trends suggest it will pass.

"In other ballot amendment and initiative votes on gay rights issues taken in other states, undecided voters have generally broken strongly in the direction of the politically incorrect, anti-gay position," Mason-Dixon Polling & Research Managing Director J. Bradford Coker said.

None of the other five amendments on the ballot had majority support, according to Wednesday's poll.

"Amendment 4, which would establish a property tax exemption for conserved land, and Amendment 6, which deals with the assessment of waterfront property, appeared to have the best chance to eventually get 60 percent support," Coker said.

Amendment 9, which would permit a local-option sales tax to fund community colleges, was opposed by more voters than supported it in the poll.