a bag has 30 red 25 blue 25 black 20 green toffees and without seeing you can take out as many toffees at rs 22 per toffee. if your color comes you will get money. which colour will you select to make money?
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here......
total ball is (30+25+25+20)=100
now .....
probablity of comes of red ball
=. 30/100 =3/10
probablity of comes of blue ball
=25/100 = 1/4
probablity of comes of black ball
= 25/100 = 1/4
probablity of comes of green ball
= 20/100 = 1/5
now ....
you can see that probablity of comes of red ball is more so...
chances of comes of red ball is more
so ......
i will choose red ball
hope helps
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