Question
The following table gives the percentage of music downloaded from the United States and other countries by U.S. users: U.S. Germany Canada Italy U.K. France
The following table gives the percentage of music downloaded from the United States and other countries by U.S. users:
U.S. | Germany | Canada | Italy | U.K. | France | Japan | Other |
45.0 | 16.0 | 6.5 | 6.3 | 4.3 | 3.8 | 2.7 | 15.4 |
(a) Verify that the table does give a probability distribution for the experiment. The sum of the percents is %, so this does give a probability distribution.
(b) What is the probability that a U.S. user who downloads music, selected at random, obtained it from either the United States or Canada? (Enter your answer to three decimal places.)
(c) What is the probability that a U.S. user who downloads music, selected at random, does not obtain it from Italy, the United Kingdom (U.K.), or France? (Enter your answer to three decimal places.)
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