Algebra-1

The sample in this case is B. 1000 Emory hospital patients.

The sample refers to the subset of the population that was included in the survey or study. It represents the group from which data was collected to draw conclusions or make inferences about the larger population.

Analyzing the options:

A. All Emory hospital patients: This option refers to the entire population of Emory hospital patients, not the sample. The survey did not cover all Emory hospital patients, but rather a subset of them.

B. 1000 Emory hospital p...