Saturday

August 2, 2014

August 2, 2014

Posted by **BreAnna** on Saturday, April 16, 2011 at 11:21pm.

- math help pls! -
**MathMate**, Sunday, April 17, 2011 at 8:28amWhen the order does not matter, the number ways of choosing the lottery can be calculated using combinations, or C(n,r), read as "n chose r". C(n,r) is defined as n!/(r!(n-r)!), similar to the evaluation problem of your other post.

So in the case of the lottery problem, n=40, r=6, and order does not matter. So "40 choose 6" gives the answer.

Evaluate "40 choose 6" the same way as the other problem:

40!/(6!(40-6)!)=....

Read the following link for more detailed information:

http://en.wikipedia.org/wiki/Combination

**Related Questions**

math help pls! - A lottery is set up in which players pick six numbers from the ...

Probability Please help!?!? - A lottery is set up in which players pick six ...

math! - 1) A lottery is set up in which players pick six numbers from the set 1...

math help! - A lottery game asks you to pick 5 numbers from the set 1, 2, 3...

Statistics - "Buy a Match 6 lottery ticket every day until you win the lottery...

Math - a certain state's lottery game, lotto, is set up so that each player pays...

Math Probability - A certain state's lottery game, LOTTO, is set up so that each...

Math Probability *Repost* - A certain state's lottery game, LOTTO, is set up so ...

Math Probability - A certain state's lottery game, LOTTO, is set up so that each...

College math - Please HELP! In a certain lottery game players choose a set of 6 ...