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3 February, 20:24

If two marbles are randomly selected from the bag without replacement, what is the probability that the first marble is blue?

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  1. 3 February, 20:52
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    Answer:1,0.5, or 0 it depends

    Explanation:

    The probability that one event occurred depends on the total of random event, being 1 the most of the probabilities

    If the two marbles are blue the probability to select a marble blue is 1

    If one of the marbles is blue and the other marble is of any color the probability to select the blue marbles is:

    P=1 - 1/2=1/2

    Being 1/2 or 0.5 the answer

    If any of the marbles are blue then the probabilities are 0
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