4. pollsters construct a sample in the second step of a scientific poll in order to a) make sure their questions are well written b) find a group to represent the universe c) question each member of the universe d) analyze and report their poll findings

Explanation:

Pollsters refer to people that apply surveys in order to obtain data of their interest and opinions. So, the action 'construct a sample' is aimed to find a smaller group that represents the whole universe of study, because they can't  study all the universe, at least it's a small subject that they're investigating.

ayatollah khomeini can best be described as the leader who declared iran to be an islamic republic.