UsableStats: In a survey of 500, 60% responded positively to an value question. Calculate a confidence level at

Question 507:

Asked on November 12, 2008

In a survey of 500, 60% responded positively to an value question.
Calculate a confidence level at 95% to get an interval estimate for proportion?

Need more than just an answer? Download the EasyStats Excel Calculator Package which gets you the answer with the detailed calculations.

Each answer comes with a clear explanation of the concept and detailed calculations.
I provide links to web-calculators and Excel formulas so you can duplicate my steps.
If you have any questions about the answer I'm available via chat and email.
I have a Masters in Education from Stanford University and teach statistics to professionals and students. More about Jeff Sauro
I guarantee my answers. I'll refund your money for an incorrect answer or work to get you the correct answer.
I've helped over 600 students and professionals.
You get priority on new questions asked with the purchase of full-access.