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a bag contains 8 yellow cubes 7 blue cube and 5 Red Cube if you select a cube at random what is the probability the cube will not be blue or red

User Vivek Chib
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8+7+5= 20. The only color that is not red or blue is yellow. There are 8 yellows out of 20 cubes. The probability of selecting a cube at random that will not be blue or red is 8/20
User Akilesh
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