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A company has hired 15 new employees, and must assign 6 to the day shift, 4 to the night shift, and 5 to the graveyard shift.

In how many ways can the assignment be made?

User AvisSiva
by
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1 Answer

2 votes

Answer:

The assignment can be made in 630,630 ways.

Explanation:

Arrangement formula:

We want to arrange n people into x roles.


m_(0) is the number of people for the first role.


m_(1) is the number of people for the second role.


m_(x) is the number of people for the xth role.

The total number of arrangents is:


T = (n!)/(m_(0)!m_(1)!...m_(x)!)

In this question:

15 employees

6 to the day shift.

4 to the night shift.

5 to the graveyard shift.

In how many ways can the assignment be made?


T = (15!)/(6!4!5!) = 630630

The assignment can be made in 630,630 ways.

User SAUMITRA KUMAR
by
8.1k points
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