A Company That Produces Computers Recently Tested the Battery in Its

Multiple Choice

A company that produces computers recently tested the battery in its latest laptop in six separate trials.The battery lasted 8.23,7.89,8.14,8.25,8.30,and 7.95 hours before burning out in each of the tests.Assuming the battery duration is normally distributed,construct a 95% confidence interval for the mean battery life in the new model.

A) [7.9489,8.3045]
B) [7.9575,8.2959]
C) [7.9873,8.2661]
D) [7.9912,8.2622]