Walmarts website, Macroeconomics

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Over the past month, the 500 customers have downloaded the following number of songs from WalMart's website (obviously, they have had more, but we need to use workable numbers): 131 customers downloaded 2 songs, 81 customers downloaded 5 songs, 187 downloaded 8 songs, and the remaining customers downloaded 10 songs. What is the average number of songs downloaded by a customer? (please round your answer to 2 decimal places)


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