In a random sample of 35 refrigerators, the mean repair cost was $113.00

and the population standard deviation is $17.30Construct 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 left parenthesis nothing comma nothing right parenthesis .

( , ) (Round to two decimal places asneeded.)

Interpret you results. Choose the correct answer below.

A.With 95% confidence, it can be said that the confidence interval contains the true 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 sample mean repair cost.