6. A foresting service conducted a survey to see if tree farms that planted hardwood trees were more profitable over a 30-year period than tree farms that planted softwood trees. The results of this study showed that hardwood trees had a 46% higher profit per acre. Are the results statistically significant?

No, because planting softwood trees have a higher profit per acre.
No, because there is not enough information given to make a conclusion.
Yes, because the chance of getting a similar result is small.
Yes, because planting hardwood trees have a higher profit per acre.