A trade magazine routinely checks the? drive-through service times of? fast-food

Question

A trade magazine routinely checks the? drive-through service times of? fast-food restaurants.
Upper AA
9595?%
confidence interval that results from examining
695695
customers in one? fast-food chain's? drive-through has a lower bound of
174.5174.5
seconds and an upper bound of
178.1178.1
seconds. What does this? mean?
Choose the correct answer below.
A.
The mean? drive-through service time of this? fast-food chain is
nothing
seconds
nothing?%
of the time.
B.
One can be
nothing?%
confident that the mean? drive-through service time of this? fast-food chain is
nothing
seconds.
C.
There is a
nothing?%
probability that the mean? drive-through service time of this? fast-food chain is between
nothing
seconds and
nothing
seconds.
D.
One can be
nothing?%
confident that the mean? drive-through service time of this? fast-food chain is between
nothing
seconds and
nothing
second

Explanation / Answer

One can be 95% confident that the mean drive-through service time of this fast food chain is between the confidence interval 174.5 and 178.1.

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