Question: Please Urgetnt: The average morning commute time for a sample of 50 employees at Gotham Bank was found to be 38.5 minutes with a sample

Please Urgetnt:

The average morning commute time for a sample of 50 employees at Gotham Bank was found to be 38.5 minutes with a sample standard deviation, s, of 3.45. Someone argued that they believed the average commute for all employees was under 30 minutes.

a.Is there evidence at the 95% confidence level that the true average is 30 minutes?Specify your null and alternative hypotheses.

b.What assumptions did you have to make to have a valid calculation?

c.What is your p-value (observed significance) for the test?

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