From Wikipedia’s on-line document “List of First Overall NBA Draft Picks,” we found that, since 1947, 11.3% of the number-one draft picks in the National Basketball Association have been other than U.S. nationals.
a. Identify the population.
b. Identify the specified attribute.
c. Is the proportion 0.113 (11.3%) a population proportion or a sample proportion? Explain your answer.