document.write( "Question 899082: A sample of 25 patients in a doctor's office showed that they had to wait an average of 35 minutes with a standard deviation of 10 minutes before they could see the doctor. Provide a 95% confidence interval estimate for the average waiting time of all the patients who visit this doctor. What is the margin of error? \n" ); document.write( "

Algebra.Com's Answer #545182 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!

 
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document.write( "Hi
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document.write( " Provide a 95% confidence interval 
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document.write( "ME = 1.96[10/sqrt(25)] = 3.92 0r 4
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document.write( "CI:   35 - ME <  < 35 + ME\r
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document.write( "CI	z = 1.28155
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document.write( "90%	z =1.645
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document.write( "92%	z = 1.751
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document.write( "95%	z = 1.96  ***
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document.write( "98%	z = 2.326
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document.write( "99%	z = 2.576
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