Hi  

Mean = $2,000, with a standard deviation of $400. n = 64

Construct a 95% confidence interval estimate of the mean daily income this parking garage generates. 

ME =

ME = 1.96*400/8

CI = 2000 ± 98

|

 = CI	z = value

90%	z =1.645

92%	z = 1.751

95%	z = 1.96

98%	z = 2.326

99%	z = 2.576

 

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