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18 February, 06:06

There are 5 red marbles, 2 Green marbles and 3 black marbles. What is the probability that red or black is chosen? (answer in decimal form)

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  1. 18 February, 06:32
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    Red - 50% chance (.5)

    Black - 30% Chance (.3)

    Explanation:

    The total amount of marbles is ten, meaning that we can change it to 100% no problem.

    Green - 2 = 20% =.2

    Black - 3 = 30% =.3

    Red - 5 = 50% =.5
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