Mathematics, 14.08.2020 16:01 ignacio73

A marble is drawn at random from a box containing 10 red, 30 white, 20 blue, and 15 orange marbles. Find the probability that it is (a) orange or red, (b) not red or blue, (c) not blue, (d) white, (e) red, white, or blue

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A marble is drawn at random from a box containing 10 red, 30 white, 20 blue, and 15 orange marbles....