(See Solution) An airline company claims their arrivals are on time within an average of +/- 5 minutes and a standard deviation of 2.82 minutes; Normally Distributed.
Question:
An airline company claims their arrivals are on time within an average of +/- 5 minutes and a standard deviation of 2.82 minutes; Normally Distributed. You sample 50 arrivals and find an average of 6.3 minutes late. Can you be at least 90% sure that the airline company’s claim is correct? ( State your percentage for your answer ). Use at least three decimal places in your answers for this problem. (Show all of your calculations)
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