A Sample of 37 AA Batteries Had a Mean Lifetime

Multiple Choice

A sample of 37 AA batteries had a mean lifetime of 584 hours. A 95% confidence interval for the population mean was 579.2 < μ < 588.8. Which statement is the correct interpretation of the results?

A) We are 95% confident that the mean lifetime of all the bulbs in the population is between 579.2 hours and 588.8 hours.
B) The probability that the population mean is between 579.2 hours and 588.8 hours is 0.95.
C) 95% of the light bulbs in the sample had lifetimes between 579.2 hours and 588.8 hours.
D) None of these statements correctly interpret the results.