Question: An expensive restaurant claims that the average wait time for dinner is approximately 60 minutes. We suspect that this claim is inflated to make the

An expensive restaurant claims that the average wait time for dinner is approximately 60 minutes. We suspect that this claim is inflated to make the restaurant appear more exclusive and successful. A random sample of 40 customers yielded a sample average waiting time of 50 minutes with a standard deviation of 10 minutes. Calculate the test statistic.

-6.32
-0.15
-14.14
-1.25

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