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19-Textbook prices are normally distributed with a mean of 250 dollars and a standard deviation of 20 dollars. If 25 textbooks are randomly selected, find

19-Textbook prices are normally distributed with a mean of 250 dollars and a standard deviation of 20 dollars. If 25 textbooks are randomly selected, find the probability that the sample has a mean cost between 245 dollars and 255 dollars.

Round to 4 decimal places.

please use calculator functions to explain

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