A random 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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Home » Business » A random 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).