Prob&stats

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Search results for: Using numbers 1-20 what is probability a randomly chosen number is either an even number or a number greater than 14?

  • Prob&stats -

    Even = 10/20

    over 14 = 6/20

    Since 3 numbers are duplicated (in both categories), that probability needs to be subtracted.

    Either-or probability is sum of the individual probabilities.

  • Prob&stats -

    Please only post your questions once. Repeating posts will not get a quicker response. In addition, it wastes our time looking over reposts that have already been answered in another post. Thank you.

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