Multiple Choice Questions on A number X is chosen at random from the numbers 3 2 1 0 1 2 3 What is the probability that X lt 2 ........ for Mathematics - All Exams Preparation

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Multiple Choice Questions

A number X is chosen at random from the numbers 3 2 1 0 1 2 3 What is the probability that X lt 2 ........

Quantitative Aptitude ( CCS) Probability
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    A number X is chosen at random from the numbers -3, -2, -1, 0, 1, 2, 3. What is the probability that |X|<2

    1/7

    Incorrect Answer

    2/7

    Incorrect Answer

    3/7

    Correct Answer

    4/7

    Incorrect Answer
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    Explanation:

    X can take 7 values.
    To get |X|+2) take X={−1,0,1}

    => P(|X|<2) = Favourable CasesTotal Cases = 3/7

    Hence, option 3 is the correct answer.

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