A Gallup Poll in March 2013 (www.gallup.com/poll/110821/gallup-daily-us-economic-conditions.aspx) asked 1500 U.S. adults to rate economic conditions in the country today as “excellent,” “good,” “only fair,” or “poor.” The results are below:

If we select a person at random from this sample of 1500 adults:

a) What is the probability that the person responded “Poor”?

b) What is the probability that the person responded “Fair” or “Poor”?

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Current Economic Conditions Response Excellent/Good Only Fair Poor Total Number of Respondents 270 645 585 1500