Film premiere

How can you distribute 40 cinema tickets to 15 people?

Correct answer:

x =  3245372870670

Step-by-step explanation:

C40​(54)=(4054​)=40!(54−40)!54!​=3245372870670 n=15 k=40  x=(kn+k−1​)=(4015+40−1​)=3245372870670≐3.245⋅1012

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Showing 1 comment:
Math student
Assuming unassigned seating (indistinguishable tickets), this is correct.
If seats are assigned, the answer should be 1540.  (Each ticket has 15 ways to choose its new owner, and all 40 choices are independent.)





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