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Plz help now!

 

(a) Find the number of ways that Magnus can give out 20 identical stickers to 5 of his friends.  (Not everyone has to get a sticker.)

 

(b) Find the number of ways that Magnus can give out 20 identical stickers to 5 of his friends, if every friend gets at least one sticker.

 Jan 29, 2023
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(a)

[20 + 5 -1 ] C  20 = 24 C 20 =10,626 ways

 

(b)

[20 - 1 ] C [5 - 1] =19 C 4 =3,876 ways.

 Jan 29, 2023

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