Question 202644
1) A person is wearing a bracelet with 12 settings around the bracelet. How many different ways can 12 birthstones be arranged around the bracelet? Leave the answer in factorial form. 
Ans: 11!
_______ 

2) How many subsets of three elements each exist in a set of six elements?
6C3 = (6*5*4)/(1*2*3) = 20

_______ 

3) How many different groups of 48 cars can be formed from 50 cars?
50C48 = 50C2 = (50*49)/(1*2) = 1225
------- 
_______ 

4) How many different ways can an executive committee of eight people sit at a round table?
Ans 7! 
_______ 

5) What is the probability of not drawing a green marble from a jar containing 7 red, 4 green, 3 white, and 9 blue marbles?
# of "not green" marbles = 19
Ans: 19/23
=======================================
Cheers,
Stan H.
 
_______