Question 749488: Can you help me solve this problem please?
There are 9 pieces of paper in a hat numbered 1 through 9. Kaleda needs to pick a 1, 2, 9, and 5 in order to win. The first, second, and third pieces of paper drawn are not replaced. What are her chances of winning?
Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! There are 9 pieces of paper in a hat numbered 1 through 9. Kaleda needs to pick a 1, 2, 9, and 5 in order to win. The first, second, and third pieces of paper drawn are not replaced. What are her chances of winning?
------
# of ways to succeed: 1
# of 4 groups : 9C4 = 126
--------
P(win) = 1/126 = 0.0079
==========================
Cheers,
Stan H.
================
|
|
|