What is the possibility that the average length

Reference no: EM1316259

To find the probability that the average length of a sheet is between 30.205 and 30.305 inches long.

The population of lengths of aluminium coated steel sheets is normally distributed with a mean of 30.05 inches and a standard deviation of 0.20 inches. A sample of four metal sheets is randomly selected from a batch. What is the possibility that the average length of a sheet is between 30.205 and 30.305 inches long?

Reference no: EM1316259

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