In 2006, the general social survey asked, "in the past 12 months, have you experienced back pain? ." for this question, 475 people said that they did out of 1723 randomly selected people. what is the 95% confidence interval for the proportion of all americans that have experienced back pain in the past 12 months?
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Which of these gives the best indication that a health service is based on pseudoscience? a. the service is not controversial and is supervised by medical professionals. b. the service has been extensively researched,has a high success rate,and is expensive c. the service is inexpensive, is based on research, and has been around for a long time d. the service has not been researched and is expensive
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In 2006, the general social survey asked, "in the past 12 months, have you experienced back pain? ."...
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