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There are 12 students in a class, and 7 of them will be chosen to go on a field trip. How many ways can
these students be chosen?

Sagot :

The highest grade report card
Macintoshical101idn

Answer:

So we will use combinations, as it does not matter what order they get chosen in.

The combinitoric that you will plug in to your calculator is: nCr(12,7)

Therefore, the answer is 792

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