A bag has 4 red balls and x blue balls if a ball is drawn from the bag without looking in and the possibility of getting a blue ball is 1/2 , then the value of x is
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I think we didn't need to solve this problem
we that p(r)+p(b)=1
given that 1/2 + p(b)=1
then p(b)=1/2
hence blue balls also same as red
then blue balls =4
we that p(r)+p(b)=1
given that 1/2 + p(b)=1
then p(b)=1/2
hence blue balls also same as red
then blue balls =4
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