A medical clinic is randomly selecting two staff
members to attend a conference. The clinic employees
include 7 nurses, 3 doctors, and 2 office staff. The
nurses want to know the probability that both
attendees will be nurses. The tree diagram displays the
possible outcomes of randomly selecting two staff
members.
Which staff member is represented by label 1 in the
tree diagram?
A.) Doctor
B.) Not nurse
C.) Not doctor
D.) Office staff
