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Mathematics, 05.11.2020 16:30 hanz73

The bank manager wants to show that the new system reduces typical customer waiting times to less than 6 minutes. One way to do this is to demonstrate that the mean of the population of all customer waiting times is less than 6. Letting this mean be µ, in this exercise we wish to investigate whether the sample of 107 waiting times provides evidence to support the claim that µ is less than 6.

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