Question

Determining the number of seating arrangements with 10 people in 7 chairs required use of ?

Combination
Permutation**
Probability
Substitution


Determining the number of 3 person committees formed from a club with 12 members requires use of?

Combination
Permutation
Probability**
Substitution



Determining the number 5card hands can be drawn from a deck of 52 requires use of?

Combination
Permutation
Probability
Substitution**

Not sure let me know which ones are wrong thanks

Answer 1

first ok

second
Determining the number of 3 person committees formed from a club with 12 members requires use of?
COMBINATIONS of 10 people taken 7 at a time without regard to arrangement

third
same as the second, combinations of 52 cards taken 5 at a time

Answer 2

typo
the second one is combinations of 12 taken 3 at a time.
I used the numbers from the first one by mistake