Answer: The targeted population is the population of the human being from which the sampling will be done.
Explanation:
The target population is the group of individuals where a particular sample will be drawn. It should be noted that sample simply means the people who are going to take part in a particular investigation.
The targeted population is the population of the human being from which the sampling will be done. Since the objective of the experiment is to link effect of smoking and heart disease, human being will be the targeted population.