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Mathematics 14 Online
OpenStudy (anonymous):

Jacob has 10 rap, 18 rock, 8 country, and 4 pop CDs in his music collection. Two are selected at random. Find P(1 rap and 1 rock).

OpenStudy (anonymous):

(10C1) (18C1) / (30C2)

OpenStudy (anonymous):

You mean (10C1) (18C1) / (40C2)?

OpenStudy (anonymous):

yea :D

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