Question

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%

Answer 1

@mathstudent55

Answer 2

@SolomonZelman

Answer 3

@Compassionate

Answer 4

did you add and subtract 8 to 78% ?

Answer 5

yes i have no clue what to do i got 7.22 and 8.78

Answer 6

any ideas? @perl