Question: A bank measures the wait time for a random sample of 15 customers during the lunch hour (measured in minutes). A hypothesis test is conducted

  1. A bank measures the wait time for a random sample of 15 customers during the lunch hour (measured in minutes). A hypothesis test is conducted to see if there is evidence that the average wait time is 5 minutes. What is the null hypothesis for the test?
  2. Waiting Time :

4.21, 5.55, 3.02, 5.13, 4.77, 2.34 , 3.54 , 3.20, 4.50, 6.10, 0.38, 5.12, 6.46 , 6.19 , 3.79

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