Beth Jackson told police that she knew about the condition of the home, but lacked the willpower to stand up to her estranged husband.
She pleaded guilty and was sentenced last week.
Robert Jackson died in February, a death investigators ruled accidental due to carbon-monoxide poisoning.
The girl, who was in the home that day, was treated for carbon-monoxide poisoning.
From wire dispatches and staff reports
By Rand Paul
Obama acts as though we no longer have a Constitution
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Born in 1930 in rural Missouri, Charles Vandegriffe, Sr., brings his time and place to the Communities.
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