how many different ways can a band teacher select the lead and co lead trumpet player from a group of 12 trumpet players

So if there are 12 trumpet players, then teacher may take the leader, then, after he's taken, there are 11 ways of picking co-leader.

Multiply both numbers of possibilities -> 12*11=132

There are 132 ways of selecting them.

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AmitPaswan AmitPaswan · Answer 2 · 2022-06-04T03:16:44+02:00

There are 132 ways of selecting them.

What is permutation and combination ?

permutations and combinations, the various ways in which objects from a set may be selected, generally without replacement, to form subsets. This selection of subsets is called a permutation when the order of selection is a factor, a combination when order is not a factor.

According to the question,

So if there are 12 trumpet players, then teacher may take the leader, then, after he's taken, there are 11 ways of picking co-leader.

Multiply both numbers of possibilities

= 12× 11

=132

Hence ,There are 132 ways of selecting them.

To learn more about permutation and combination from here

https://brainly.com/question/13387529

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