Eyanah7807 Eyanah7807

01-05-2024
Mathematics

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The average length of the songs in all of Theo's playlists is 2.75 minutes with a standard deviation of 0.43 minutes. Suppose we randomly pick 30 songs from all of his playlists. Find the 75th percentile for the sum of the lengths of the 30 songs. That is, find P(EX < 23) = 0.75

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