Multiple Choice
A December 2013 Gallup poll of 13,186 nationally representative adults found that 8.9% reported being sick with a cold. Based on these results, what is a 95% confidence interval for the proportion p of American adults who were sick with a cold that month?
A) 0.089 ± 0.005
B) 0.089 ± 0.010
C) 0.089 ± 0.015
D) 0.089 ± 0.030
Correct Answer:
Verified
Correct Answer:
Verified
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