permutation and combination

by kschong
Tags: combination, permutation
kschong is offline
Jan9-10, 09:33 PM
P: 5
For this question, i already solve the part a and part b. For the part c, i try to solve it but i cant get the answer that given. Can someone explain to me? How to do the part c. Thanks!
Attached Thumbnails
Phys.Org News Partner Science news on
Simplicity is key to co-operative robots
Chemical vapor deposition used to grow atomic layer materials on top of each other
Earliest ancestor of land herbivores discovered
tiny-tim is offline
Jan10-10, 04:08 AM
Sci Advisor
HW Helper
tiny-tim's Avatar
P: 26,167
Hi kschong!

So there's 24 tanks, of which 6 are high viscosity, add 4 are high impurity: what is the probability that 4 tanks chosen at random include exactly one of each?

Show us your full calculations, and then we can see what went wrong, and we'll know how to help.

Register to reply

Related Discussions
permutation and combination Calculus & Beyond Homework 4
Permutation and Combination Precalculus Mathematics Homework 5
Permutation and Combination Calculus & Beyond Homework 5
Permutation/Combination Precalculus Mathematics Homework 8
Permutation and Combination Introductory Physics Homework 4