Question 663402: If a jar contains 7 pennies, 9 dimes, and 4 quarters, what is the probability of picking out 2 pennies and a quarter?
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! If a jar contains 7 pennies, 9 dimes, and 4 quarters, what is the probability of picking out 2 pennies and a quarter?
----
# of ways to succeed: 7C2*4 = 21*4 = 84
---
# of possible outcomes: 20C3 = 1140
----
P(2 pen and 1 quart) = 84/1140
=================================
Cheers,
Stan H.
|
|
|
