Question

How many different committees of 4 students can be chosen from a group of 15?

Answer 1

This a case of selection because order does not matter.

The number of ways of choosing 4 from 15 is given by:

`_(15)C_4=(15*14*13*12)/(4!)=1365`

Therefore, the number of committees of 4 students can be chosen from a group of 15 is 1365.

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