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4. According to Statista, the average length of a song released in 2020 was 197 seconds. Suppose the lengths of these songs can be

4. According to Statista, the average length of a song released in 2020 was 197 seconds. Suppose the lengths of these songs can be modeled with a Normal distribution with a standard deviation of 33 seconds. Suppose Eli's playlist of 2020 songs on Spotify has 21 songs. If he begins listening to the playlist at 9:50 p.m., what is the probability it will still be playing at 11 p.m.?

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