Answer:
We can be 95% sure that the true mean of the interval for trouble shooting time with 8 hours of training is between 12.822 and 19.261.
Step-by-step explanation:
The 95% prediction interval for trouble shooting time with 8 hours of training was determined to be 12.822 to 19.261.
This means that we can be 95% sure that the true mean of the interval for trouble shooting time with 8 hours of training is between 12.822 and 19.261.