In a random sample, 64 of 200 motorists stopped at a roadblock had not fastened their seatbelts. Construct a 95% confidence interval for the corresponding true proportion of motorists who do not fasten their seatbelt.

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- Apr 22nd 2008, 03:20 PMGoDukeConfidence Interval
In a random sample, 64 of 200 motorists stopped at a roadblock had not fastened their seatbelts. Construct a 95% confidence interval for the corresponding true proportion of motorists who do not fasten their seatbelt.

- Apr 22nd 2008, 07:55 PMmr fantastic
Reply #3 of this thread: http://www.mathhelpforum.com/math-he...-homework.html

gives an example you can follow.