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  • 26-03-2019
  • Mathematics
contestada

How many ways can a committee of 6 be selected from a club with 10 ​members

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znk znk
  • 27-03-2019

Answer:

210

Step-by-step explanation:

The general formula for picking k items from a total of n is

[tex]_{n}C_{k} = \frac{n! }{(n-k)!k! }[/tex]

Thus, if we want to select a committee of six people from a club with 10 members, the number of combinations is

[tex]_{10}C_{6} = \frac{10! }{(10-6)!6! }[/tex]

[tex]= \frac{10! }{4!6! }[/tex]

[tex]= \frac{10\times9\times8\times7}{4\times3\times2\times1 }[/tex]

[tex]= \frac{5040 }{24 }[/tex]

= 210

The committee can be selected in 210 separate ways.

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