11
QuizMultiple Choice
Cumulative Exam — Cumulative exam
Question 11 • SC-Statistical Modeling
In a small town of 5,832 people, the mayor wants to determine the proportion of voters who would support an increase to the food tax. An assistant to the mayor surveys 500 randomly chosen people, and finds that 240 support the increase. Assuming the conditions for inference have been met, what is the 95% confidence interval for the true proportion of people who would support the increase in food tax?
Answer
A
0.48 plus-or-minus 1.65 StartRoot StartFraction 0.48 (1 minus 0.48) Over 500 EndFraction EndRoot
B
0.48 plus-or-minus 1.96 StartRoot StartFraction 0.48 (1 minus 0.48) Over 500 EndFraction EndRoot
C
0.52 plus-or-minus 1.65 StartRoot StartFraction 0.52 (1 minus 0.52) Over 500 EndFraction EndRoot
D
0.52 plus-or-minus 1.96 StartRoot StartFraction 0.52 (1 minus 0.52) Over 500 EndFraction EndRoot