SOLUTION: Bob is moving and all of his CDs are mixed up in a box. Twelve CDs are rock, eight are jazz, and five are classical. If he reaches in the box and selects them at random, find each

Algebra ->  Probability-and-statistics -> SOLUTION: Bob is moving and all of his CDs are mixed up in a box. Twelve CDs are rock, eight are jazz, and five are classical. If he reaches in the box and selects them at random, find each       Log On


   

Question 115966This question is from textbook Algebra 2
: Bob is moving and all of his CDs are mixed up in a box. Twelve CDs are rock, eight are jazz, and five are classical. If he reaches in the box and selects them at random, find each possibility.
What is the possibility of two classical cds and one rock cd? This question is from textbook Algebra 2

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Bob is moving and all of his CDs are mixed up in a box.
Twelve CDs are rock,
eight are jazz, and
five are classical.
If he reaches in the box and selects them at random, find each possibility.
What is the possibility of two classical cds and one rock cd?
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P(2c and 1r) = P(2c)*P(1r|2c)
= [5C2/25C2]
= 0.0333*0.5217
= 0.0174
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Cheers,
Stan H.