Homework Statement
There are 22 students in a class. The professor will divide the class into 4 groups. Group 1 and 2 have 5 members each whilst Group 3 and 4 have 6. Given that the teacher forms the group at random, find the probabilities of :
A = event where Paula, Trina, Gia all belong in...
Homework Statement
In how many ways can 12 balls be arranged into 4 different rows with each row having
at least one ball
(a) if the balls are identical?
(b) if there are 6 identical red balls and 6 identical blue balls?
Homework Equations
The Attempt at a Solution
a)
Put 4 balls in each...
Homework Statement
Counting problems are a very tough subject to me, so if someone could give me tips, examples explaining what's really happening, that would be great.
Homework Equations
I know what permutations, variations, combinations, ... are. The problems involving only one of those...
If there was a 1 billion x 1 billion x 1 billion cube made of 3D pixel cubes, and half of them are black and half of them are clear/colorless, then how many combinations of unique pixel arrangements are there?
Would the amount of shapes/objects in this cube be infinite? (Assuming the black...
Hey guys , Could anyone here tell me the easiest way to solve for n , nP7 = 604800 , the traditional way (I'm currently using) is to divide 604800 by 10 and then 9 and so on until I get 1 as a result of that division , The problem is this way isn't helpful with all permutations I have in my...
Homework Statement
so for a side task I'm supposed to assign people to groups for an icebreaker in python, can anyone give me links to theories that I could read up on or give me suggestion
X number of people at my company signed up for a dinner roulette as a way to meet new people. Everyone...