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 115939This 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 3 rock cds? This question is from textbook Algebra 2

Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
12+8+5=25 total cds in the box.
3r=12/25*11/24*10/23=1,320/13,800=.095652 changes of selecting 3 rock records.