Need some help. Since there is no confidence variable, the Z critical value is 2. Please observe the rounding rule.

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 howr many people have planted a tree in their life. The results stated that 26% of the respondents have planted at least one tree. For the margin of error to be 1%, how many people should be surveyed? Round up to the nearest whole number, if necessary. In order to have a margin of error of 1%, D people should be surveyed