probability that both candies were same color

Algebra
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sal a small bag of candy coating three green candies and two red candies while waiting for the bus  he eat two candies out of the bag.one after another without looking what is the probability that both candies were same color 

Jun 2nd, 2015

total candies=5

p of green=3/5=.6

p of red=2/5=.4

if 1 green picked

then p of green=2/4

if red then p of red=1/4

so both green=(3/5)*(2/4)=6/20=3/10

so both red=(2/5)*(1/4)=1/10


Jun 2nd, 2015

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