Question

A recent political poll showed that the findings reported were accurate to within 4 percentage points. This is likely to mean what?
a. the findings are only correct 4 percent of the time
b. the findings are only correct 8 percent of the time
c. the findings are accurate 95 times out of 100 and the confidence interval is plus or minus 4 points
d. the findings are accurate 68 times out of 100 and the confidence interval is plus or minus 4 points

Answer

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