1..The trade magazine QSR routinely checks thedrive-through service times offast-food restaurants. An 80% confidence interval that results from examining 761 customers in TacoBell's drive-through has a lower bound of 161.7 seconds and an upper bound of 165.5 seconds. Complete parts(a) through(c)

(a) What is the mean service time from the 761 customers?

(b) What is the margin of error for the confidenceinterval?

(c) Interpret the confidence interval

Select the correct choice below and fill in the answer boxes to complete your choice.

A.

One can be____?_____% confident that the meandrive-through service time of Taco Bell is

nothing seconds.

B.

The meandrive-through service time of Taco Bell is ___?_____seconds _____?___% of the time.

C.

There is a ____?_____% probability that the meandrive-through service time of Taco Bell is between __?__ seconds and ___?__ seconds.

D.

One can be _____?__% confident that the meandrive-through service time of Taco Bell is between _____?__seconds and _____?_seconds.