As the saying goes, any man should accomplish three things in his life: build a house, plant a tree, and raise a child. Let us concentrate on the second part for now. A certain gardening magazine conducted a survey to determine how many people have planted a tree in their life. The results stated that 13%of the respondents have planted at least one tree.  QUESTION: For the margin of error to be 1%, how many people should be surveyed? Round up to the nearest whole number, if necessary.

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