Question: What do Americans do to conserve energy? The Associated Press NORC Center for Public Affairs Research conducted a survey of 897 adults who had personally

What do Americans do to conserve energy? The Associated Press NORC Center for Public Affairs Research conducted a survey of 897 adults who had personally done something to try to save energy in the last year (data extracted from "Energy Efficiency and Independence: How the Public Understands, Leams, and Acts," bit.ly/Maw5hd), and found the following percentages:
Turn off lights: 39% Turn down heat: 26%
Install more energy saving appliances: 23% Drive less/walk more/bicycle more: 18% Unplug things: 16%
a. Construct a 95% confidence interval estimate for the population proportion of what adults do to conserve energy.
b. What conclusions can you reach concerning what adults do to conserve energy?

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