Hoping to lure more shoppers downtown, a city builds a new public parking garage in the central business district. The city plans to pay for the structure through parking fees. During a two month period (44 weekdays), daily fees collected averaged $126, with a standard deviation of $15.
a.) what assumptions must you make in order to use these statistics for inference?
b.) Write a 90% confidence interval for the mean daily income this parking garage will generate?
c. Explain in context what this confidence interval means.
d.)explain what 90% confidence means in this context

Question

anonymous · Answer

Did anyone figure this out?