Register

A relay team of 4 swimmers is to be formed from a swim team with 20 member. How many different relay teams are possible?

A relay team of 4 swimmers is to be formed from a swim team with 20 member. How many different relay teams are possible?
asked 174k views
0 votes
A relay team of 4 swimmers is to be formed from a swim team with 20 member. How many different relay teams are possible?

asked
User Linksonder
by
9.0k points

1 Answer

3 votes
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
answered
User Webthaumaturge
by
8.3k points
← Prev Question Next Question →

Related questions

Ask a Question
Welcome to Qamnty — a place to ask, share, and grow together. Join our community and get real answers from real people.

Categories

Other Questions

What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
Link Copied!