SOLUTION: Hi, just having problems with this, its the last part of a very long question, so I just summarised, I can get to half the answer that the book tells me, any help would be greatly

Algebra ->  Probability-and-statistics -> SOLUTION: Hi, just having problems with this, its the last part of a very long question, so I just summarised, I can get to half the answer that the book tells me, any help would be greatly       Log On


   



Question 785336: Hi, just having problems with this, its the last part of a very long question, so I just summarised, I can get to half the answer that the book tells me, any help would be greatly appreciated!
Cheers

A jury of 12 people must have a majority to make a verdict in civil cases. In how many ways can a combination of Jurors give a verdict in a civil case?

Found 2 solutions by stanbon, edjones:
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
A jury of 12 people must have a majority to make a verdict in civil cases. In how many ways can a combination of Jurors give a verdict in a civil case?
-----------
none against::::12C12 = 1 way
one against:::::12C11 = 12 ways
2 against:::::::12C10 = 66 ways
3 against:::::::12C9 = 220 ways
4 against::::::::12C8 = 495 ways
5 against::::::::12C7 = 792 ways
------
Add up the ways
====================================
Cheers,
Stan H.

Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
7C12+8C12+9C12+10C12+11C12+12C12=1586