Question

For each of the following situations, explain why the combinations rule or the permutations rule should be used.
a. determine the number of different groups of 5 items that can be selected from 12 distinct initems.
b. determine the number of different arrangement of 5 items that can be selected from 12 distinct item.

Answer 1

Where the order of the selection does not matter, such as choosing groups, combinations apply.
Where the order of the selection does matter, such as selecting arrangements, permutations apply.

Answer 2

Can you now make the correct choice of combinations or permutations for a. and b. ?

Answer 3

@dianaaalizbethhh Are you there?

Answer 4

i think i can thank you.

Answer 5

Have you selected combinations or permutations for a. ?