pettyfetty1 pettyfetty1

30-04-2018
Mathematics

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Compute the permutations and combinations. A company has 10 men qualified to run a machine that requires 3 operators at a time. Find how many groups of 3 operators are possible.

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budwilkins budwilkins

30-04-2018

Since it's groups of 3 out of the possible 10, but in no specific order, it will be a Permutation (P).
So put in your scientific calculator 10C3
= 120

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