Question: When a production machine is properly calibrated, it requires an average of 25 seconds per unit produced, with a standard deviation of 5 seconds. For

When a production machine is properly calibrated, it requires an average of 25 seconds per unit produced, with a standard deviation of 5 seconds. For a simple random sample of n = 32 units, the sample mean is found to be 26.2 seconds per unit. When the machine is properly calibrated, what is the probability that the mean for a simple random sample of this size will be at least 26.2 seconds?

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