Question 360695: A bag of coins contains 12 pennies, 7 nickels, 4 dimes, and 2 quarters. once a coin is drawn from a bag it is not replaced. If 2 coins are drawn at random, what is the probaility of drawing a quarter first and then a penny?
Answer by Edwin McCravy(20055)   (Show Source):
You can put this solution on YOUR website! A bag of coins contains 12 pennies, 7 nickels, 4 dimes, and 2 quarters. once a coin is drawn from a bag it is not replaced. If 2 coins are drawn at random, what is the probaility of drawing a quarter first and then a penny?
P(quarter first from 25 coins AND penny second from 24 coins)
P(quarter first from 25 coins) × P(penny second from 24 coins)
2 12
--- × ----
25 24
2 1
--- × ---
25 2
1
---
25
Edwin
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