A textbook search committee is considering 19 books for possible adoption. The committee has decided to select 7 of the 19 for f

Question

3 years ago

6

urther consideration. In how many ways can it do so?

1 answer:

spin [16.1K] · Answer 1 · 2022-09-27T03:10:50+03:00

It can be done in 50388 ways

Step-by-step explanation:

When the selection has to be made without order, combinations are used.

The formula for combination is:

$C(n,r) =\frac{n!}{r!(n-r)!}$

Here

Total books = n =19

Books to be chosen = r = 7

Putting the values

$C(19,7) = \frac{19!}{7!(19-7)!}\\\\=\frac{19!}{7!12!}\\\\=50388\ ways$

It can be done in 50388 ways

Keywords: Combination, selection

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