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In an examination of purchasing patterns of shoppers,a sample of 16 shoppers revealed that they spent,on average,$54 per hour of shopping.Based on previous years,the population standard deviation is thought to be $21 per hour of shopping.Assuming that the amount spent per hour of shopping is normally distributed,find a 90% confidence interval for the mean amount.
Snow Storm
A severe weather condition characterized by high winds and heavy snowfall, impacting travel, infrastructure, and daily life.
Financial Disincentives
Economic or monetary penalties designed to discourage undesirable actions or behaviors by making them more costly.
Local Ordinance
Laws or regulations enacted by a local governing body to address issues within its jurisdiction.
Public Conscience
The collective moral sense of a community or society that guides behavior and influences policy.
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