Confidence interval for the percentage of all adults


Several years ago, in a survey of n = 625 randomly selected adults, a polling organization asked: "Do you favor lowering the legal blood alcohol limit for drunk driving to 0.08% (from 0.10%)?" In the sample, 72% answered "yes" and the margin of error was reported to be plus or minus 5%. Based on the given information, a 95% confidence interval for the percentage of all adults who want lower legal limits for drunk driving is

A. (72%, 77%)

B. (67%, 77%)

C. (62%, 82%)

D. (72%, 72%)

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Basic Statistics: Confidence interval for the percentage of all adults
Reference No:- TGS0727104

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