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OpenStudy (anonymous):
Suppose a study estimated that 78% of the residents of a town (with an error range of ±8 percentage points at 95% confidence) favor expanding the park and recreation department. Which of the following percentages of the town's residents may favor expanding the park and recreation department? A. 62% B. 72% C. 92% D. 52%
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OpenStudy (anonymous):
@mathstudent55
OpenStudy (anonymous):
@SolomonZelman
OpenStudy (anonymous):
@Compassionate
OpenStudy (perl):
did you add and subtract 8 to 78% ?
OpenStudy (anonymous):
yes i have no clue what to do i got 7.22 and 8.78
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OpenStudy (anonymous):
any ideas? @perl
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