Consider a bag with marbles, 3 blue marbles, 2 red marbles, and 5 green marbles. two marbles are drawn in sequence. what is the probability of taking a blue marble, replacing it, and then taking another blue marble ?

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Answer 1 · 2017-12-14T20:28:41

#9/100#

#P#(Taking a blue marble first try) = #3/10#

#P#(Taking a blue marble second try) = #3/10#

#P#(Taking a blue marble first try) #\times# #P#(Taking a blue marble second try) = #9/100#