A bag contains 7 red cubes, 3 yellow cubes, 2 green cubes, and 4 blue cubes, one cube is selectef at random from the bag. What is the probability that the seleceted cube will not be blue.

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marcy18 marcy18 · Answer 1 · 2021-05-21T01:09:28+02:00

The answer is 12/16 because there’s 4 blue cubes and 16 cubes total .

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AFOKE88 AFOKE88 · Answer 2 · 2021-10-19T12:34:51+02:00

The probability that the selected cube will not be blue is given as;

P(selected cube not blue) = 3/4

We are given that;

Number of red cubes = 7 cubes

Number of yellow cubes = 3 cubes

Number of green cubes = 2 cubes

Number of blue cubes = 4 cubes

Total number of cubes = 7 + 3 + 2 + 4

Total number of cubes = 16 cubes

Probability that the cube that is selected is blue;

P(selected cube is blue) = 4/16 = 1/4

Thus, probability that it will not be blue will be;

P(selected cube not blue) = 1 - (1/4)

P(selected cube not blue) = 3/4

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