Question: Corey has 4929 songs in his computer's music library. The songs have a mean duration of 242.4 seconds with a standard deviation of 114.51 seconds.

Corey has 4929 songs in his computer's music library. The songs have a mean duration of 242.4 seconds with a standard deviation of 114.51 seconds. On the Nickel, by Tom Waits, is 380 seconds long. What is its z-score?

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