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 one year ago
Andrea's change purse contained 8 quarters, 9 dimes, and 8 nickels.If andrea chose 2 coins randomly without replacing them in her purse,what is the probability that she chose 2 dimes?
 one year ago
Andrea's change purse contained 8 quarters, 9 dimes, and 8 nickels.If andrea chose 2 coins randomly without replacing them in her purse,what is the probability that she chose 2 dimes?

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FutureMathProfessor
 one year ago
Best ResponseYou've already chosen the best response.0flutter you

jacky27
 one year ago
Best ResponseYou've already chosen the best response.0uhm, excuse me. but can i get an explanation on this problem,please really stuck on this.

swissgirl
 one year ago
Best ResponseYou've already chosen the best response.1ok so we have 25 coins altogether

swissgirl
 one year ago
Best ResponseYou've already chosen the best response.1So the first time we choose a coin the probability that it will be a dime is 9/25 correct?

swissgirl
 one year ago
Best ResponseYou've already chosen the best response.1ya there are 25 coins altogether and 9 dimes so the probability that it will be a dime is dimes/total amt of coins = 9/25

swissgirl
 one year ago
Best ResponseYou've already chosen the best response.1The second time we choose a coin

swissgirl
 one year ago
Best ResponseYou've already chosen the best response.1there are only 24 coins left cuz we picked a dime

swissgirl
 one year ago
Best ResponseYou've already chosen the best response.1so there are 24 coins and 8 dimes so the probabiity we will choose a dime is 8/24

swissgirl
 one year ago
Best ResponseYou've already chosen the best response.1So altogether the probability that we will choose 2 dimes is 9/25*8/24

jacky27
 one year ago
Best ResponseYou've already chosen the best response.0so the answer would be 3/25, right?

jacky27
 one year ago
Best ResponseYou've already chosen the best response.0Omg! Thank You So Much!(:
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