Question: Hello Could you please help me with this exercise? The Speedy Oil Change Company advertised 35 minute wait for an oil change. A sample of

Hello

Could you please help me with this exercise?

from previous studies it is known that the population standard deviation is

The Speedy Oil Change Company advertised 35 minute wait for an oil change. A sample of 27 oil changes showed a mean time of 36.5 minutes and from previous studies it is known that the population standard deviation is 5.8 minutes. At the 19% level of signicance, is there evidence that the mean time for an oil change is not 35 minutes? Assume the data is normally distributed. Perform the following steps of hypotheses testing and draw a conclusion. 1. State the hypothesis (Do NOT type the units) Use these symbols >,

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