When the manufacturing process is working properly, NeverReady batteries have lifetimes that follow a normal distribution with u = 7 hours. A quality control supervisor selects a simple random sample of 35 batteries every hour and measures the lifetime of each. If she is convinced that the mean lifetime of all batteries produced that hour is less than 7 hours at the 5% significance level, then all those batteries are discarded. When she runs the significance test for a

sample of 35 batteries and calculates p-value = 0.082. Which of the following is true?

O There is not convincing evidence to conclude the mean lifetime of the batteries that hour is not equal to 7 hours.

O We cannot make a conclusion because the conditions of the significance test were not met.

O There is convincing evidence to conclude the mean lifetime of the batteries that hour is less than 7 hours.

O There is not convincing evidence to conclude the mean lifetime of the batteries that hour is less than 7 hours.

O O There is convincing evidence to conclude the mean lifetime of the batteries that hour is equal to 7 hours