Question 893339: I need help asap but can't afford to pay money. Anyone willing? A change dispenser is giving back money in a variety of coins. A total of 120 coins are given back.25 coins are quarters, 65 coins are dimes, what is the probability that you will NOT get quarters or dimes?
Answer by algebrahouse.com(1659) (Show Source):
You can put this solution on YOUR website! Total of 120 coins
Assuming the coins are only quarters, dimes, nickels, and pennies
25 are quarters
65 are dimes
30 are nickels or dimes
number of successes
---------------------- = Probability
number of possiblities
30
--- = Probability of not getting quarters or dimes
120
1
-- = Probability
4
For more help from me, visit: www.algebrahouse.com Also, you can Follow @AlgebraHouse on Twitter
|
|
|