A trade magazine routinely checks thedrive-through service times offast-food restaurants. A 95% confidence interval that results from examining 768 customers in onefast-food chain'sdrive-through has a lower bound of 171.5 seconds and an upper bound of 174.7 seconds. What does thismean?

I know the answer is D, but I need help finding the seconds it is between.

Please use the TI-84 calculator to find the answer and explain the steps on the calculator how you got the answer. Thanks!

9.2.23 Question Help V O A trade magazine routinely checks the drive-through service times of fastfood restaurants. A 95% condence interval that results from examining 768 customers in one fastfood chain's drivethrough has a Choose the correc O A- One can be ower bound of 171.5 seconds and an upper bound of 174.7 seconds. What does this mean? answer below. O 3- There isa % probability that the mean drive-through service time of this fast-food chain is between O C- The mean d 6) 0- One can be rive-through service time of this fastfood chain is seconds % of the time. % condent that the mean drive-through service time of this fastfood chain is between % condent that the mean drive-through service time of this fastfood chain is seconds. seconds and seconds and seconds. seconds