Business, 18.07.2019 20:30 tylerwoodson

Arandom sample of 160 households is selected to estimate the mean amount spent on electric service. a 95% confidence interval was determined from the sample results to be ($151, $216). which of the following is the correct interpretation of this interval?
a we are 95% confident that the mean amount spent on electric service among all households is between $151 and $216.
b there is a 95% chance that the mean amount spent on electric service is between $151 and $216.
c 95% of the households will have an electric bill between $151 and $216.
d we are 95% confident that the mean amount spent on electric service among the 160 households is between $15

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