Using sampling concepts, it is found that the 33,043 infants represent the sample.
It is a common statistics practice, when we want to study something from a population, we find a sample of this population, which is a group containing elements of a population. A sample has to be representative of the population, that is, it has to involve all segments of the population.
In this problem, all infants represent the population, while 33,043 infants represent the sample.
More can be learned about sampling concepts at https://brainly.com/question/25122507
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