SOLUTION: Find the probability of randomly selecting 2 mathematics books and 3 physics books from a box containing 4 mathematics books and 8 physics books.
Algebra.Com
Question 373850: Find the probability of randomly selecting 2 mathematics books and 3 physics books from a box containing 4 mathematics books and 8 physics books.
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
nCr=combination of n things taken r at a time.
(4C2 * 8C3)/5C12
=(6*56)/792
=336/792
=.4242
.
Ed
RELATED QUESTIONS
Find the probability of randomly selecting 2 mathematics books and 3 physics books from a (answered by stanbon)
2)In how many ways can 3 different Mathematics, 2 different Physics and 4 different... (answered by sudhanshu_kmr)
How many ways can a 2 Physics books, 4 Mathematics books and 3 Chemistry books be... (answered by ikleyn)
3. Five English books and three Mathematics books are placed at random on a shelf. Find... (answered by ewatrrr)
find the probability of selecting 4 science books and 4 math books from 8 science books (answered by Boreal)
Find the probability of selecting 5 science books and 3 math books from science books... (answered by ikleyn)
A bookshelf has 4 non-fiction books, 6 fiction books, and 2 dictionaries.
Two books are... (answered by ewatrrr)
Find the probability of selecting 5 math books and 4 history books from a stack that... (answered by stanbon)
A book shelf containing 20 books of which 12 are on circuit theory and 8 are on... (answered by stanbon)