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Help needed plz!

 

In how many ways can 4 balls be placed in 6 boxes if the balls and boxes are both indistinguishable?

 Mar 6, 2023
 #1
avatar+32 
+6

Because the balls and the boxes are both indistinguishable it is way simpler than it looks and the only way to this question is by listing all the possible cases.

Case 1: 4 balls in one box

Case 2: 3 balls in one box and 1 ball in a other box

Case 3: 2 balls in one box and 2 balls in a other box

Case 4: 2 balls in one box and 1 ball in a other box and 1 ball in a other box

Case 5: 1 ball in one box and 1 ball in a other box and 1 ball in a other box and 1 ball in a other box

Which shows that there are only 5 ways to distribute.

 Mar 7, 2023
 #2
avatar+118617 
+2

Looks good to me Stereo.  cool

 

Give yourself a thumbs up :)

Melody  Mar 7, 2023
edited by Melody  Mar 7, 2023

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