Question: Question 4 A random sample of 10 customers is selected, and the results are as follows: 5.21, 6.25, 4.37, 4.73, 5.87, 5.54, 6.41, 4.78, 5.39,

Question 4

A random sample of 10 customers is selected, and the results are as follows:

5.21, 6.25, 4.37, 4.73, 5.87, 5.54, 6.41, 4.78, 5.39, 4.19

At the 0.05 level of significance, is there evidence that the mean waiting time is 5 minutes

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