Medical Marijuana? An international poll of physicians was conducted on the New England Journal of Medicine website asking

“Do you believe that the overall medicinal benefits of marijuana outweigh the risks and potential harms?” Identify the

a. specified attribute.

b. population.

c. population proportion.

d. Of the 1446 physicians who responded, 76% said yes. Is the proportion 0.76 (76%) a sample proportion or a population proportion? Explain your answer.