8. According to the Recording Industry Association of America, only 37% of music files downloaded from...
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8. According to the Recording Industry Association of America, only 37% of music files downloaded from Web sites in 2009 were paid for. Suppose that this percentage holds true for such files downloaded this year. Three downloaded music files are selected at random. What is the probability that all three were paid for? What is the probability that none were paid for? Assume independence of events. 8. According to the Recording Industry Association of America, only 37% of music files downloaded from Web sites in 2009 were paid for. Suppose that this percentage holds true for such files downloaded this year. Three downloaded music files are selected at random. What is the probability that all three were paid for? What is the probability that none were paid for? Assume independence of events.
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