kikiernesto kikiernesto

03-12-2016
Mathematics

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A bag contains 12 pennies, 9 nickels, 11 dimes and 3 quarters. A coin is selected at random from the bag. Find the probability.

P (more than 9 cents)

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03-12-2016

probablity=desiredoutcomes/totalpossibleoutcomes

see which ones fit
dimes and quarters are over 9 cents
there are 11+3 or 14 of them

total outcomes=12+9+11+3=35

probablity=14/35=2/5

probablity is 2/5

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