A relay team of 4 swimmers is to be formed from a swim team with 20 member. How many different relay teams are possible?
1 answer:
<span>When order does not matter you use what is called n choose k formula
n!/(k!(n-k)!) where n is the number of things to choose from and k is the number of choices made, in this case:
20!/(4!(20-4)!)=4845</span>
You might be interested in
I am thinking is C but I am still not sure
Answer: The answer is C on Quizizz.
Step-by-step explanation:
Hotdog hotdog hotdog hotdog
<span>10!/5! =10*9*8*7*6=30,240;;
If order is not considered, 10C5 =10!/5!5!=252 </span>
