Answered You can hire a professional tutor to get the answer.
In a random sample of 60 refrigerators, the mean repair cost was 147.00 and the population standard deviation is 16. Construct a 95 % confidence...
In a random sample of 60 refrigerators, the mean repair cost was 147.00 and the population standard deviation is 16.30. Construct a 95%
confidence interval for the population mean repair cost. Interpret the results. Construct a 95% confidence interval for the population mean repair cost.
The 95% confidence interval is-----,----.,.
(Round to two decimal places as needed.)
Interpret you results. Choose the correct answer below.
A.
With 95% confidence, it can be said that the confidence interval contains the sample mean repair cost.
B.
The confidence interval contains 95% of the mean repair costs.
C.
With 95% confidence, it can be said that the confidence interval contains the true mean repair cost.
