document.write( "Question 1052858: Please help with this:\r
\n" ); document.write( "\n" ); document.write( "A city built a new parking garage in a business district. For a random sample of 64 days, daily fees collected averaged $2,000, with a standard deviation of $400. Construct a 95% confidence interval estimate of the mean daily income this parking garage generates.\r
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Algebra.Com's Answer #668207 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( "Mean = $2,000, with a standard deviation of $400. n = 64
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document.write( "Construct a 95% confidence interval estimate of the mean daily income this parking garage generates. 
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document.write( "ME =\"+z%2Asigma%2Fsqrt%28n%29\"
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document.write( "ME = 1.96*400/8
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document.write( "CI = 2000 ± 98
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document.write( " = CI	z = value
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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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