A dean must select three students to serve on a committee. If she is considering five students, then from how many different possible threesomes must she choose ?

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Solution

The correct option is C 10
$^{5} C_{3} =^{5} C_{2} = \frac{5 \times 4}{2 \times 1} = 10.$

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A dean must select three students to serve on a committee. If she is considering five students, then from how many different possible threesomes must she choose ?

The correct option is C 105C3=5C2=5×42×1=10.

The correct option is C 10
$^{5} C_{3} =^{5} C_{2} = \frac{5 \times 4}{2 \times 1} = 10.$