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From 10 people, select 1 person to make president, and then [#permalink]
16 May 2004, 11:30
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From 10 people, select 1 person to make president, and then select
another person to make vice president, and finally select another
person to make deputy vice presidentn. If 1 person is selected at
random, what is the probability that the person is either a vice
president or a deputy vice president?