Thursday

August 28, 2014

August 28, 2014

Posted by **bballer** on Thursday, September 27, 2012 at 12:44am.

-If a permutation is chosen at random, what is the probability that it begins with at least 2 A's?

- math -
**dylan**, Thursday, October 25, 2012 at 4:13am9!/(1!*3!*3!)

you take the total amount of letters you have factorial, divided by each of you different types of letters factorial. the reason that there is a 1! in the beginning is because you have the first two A's in the front, so they won't be going anywhere, leaving you with 1 A, therefore, 1!.

**Related Questions**

math - If a permutation is chosen at random, what is the probability that it ...

math permutations - how many distinguishable permutations are there of the ...

probability & statistics - How many distinguishable permutations of letters are ...

math - The number of distinguishable permutations that can be formed from the ...

Maths - 1)A two-figure number is written down at random. Find the probability ...

math - How many distinguishable permutations of letters are possible in the word...

Algebra 2 - how do you do permutations??? distinguishable ex. Sweetwater would ...

Probability - Check - Could someone check these answers for me. Thanks 1. (3x+y...

Algebra 2 - What is the determinant of -2 -3 5 0 15 How you get 15 Use the ...

Math - Find the probability that if the letters of the word "parallel" are ...