Identify the population of interest in the following situation:
In order to assess the membership's attitudes about a new Supreme Court decision, a local bar association selects a SRS of 100 lawyers from its membership list. Surveys are delivered to the selected lawyers. 63 of the lawyers return their surveys.
Options:
a) Lawyers who returned the survey.
b) The entire membership of the local bar association.
c) The Supreme Court.
d) The 100 lawyers surveyed.
e) All lawyers.