Question: Ex2: Suppose that the experience has shown that the length of time Y (in minutes) required to conduct a periodic maintenance check on a dictating

Ex2: Suppose that the experience has shown that the length of

Ex2: Suppose that the experience has shown that the length of time Y (in minutes) required to conduct a periodic maintenance check on a dictating machine follows a distribution with mean 6.2 and standard deviation 3.52. A new maintenance worker takes 22.5 minutes to check the machine. Does this length disagree with prior experience

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