Subject

    Quantitative Aptitude

    Topic

    Probability

    What is the probability of getting a sum 9 from two throws of a dice?

    ক)
    1/2
    খ)
    3/4
    গ)
    1/9
    ঘ)
    2/9

    Explanation

    In two throws of a die, n(S) = (6 x 6) = 36. Let E = event of getting a sum ={(3, 6), (4, 5), (5, 4), (6, 3)}. P(E) =n(E)/n(S)=4/36=1/9.

    Find Tutors

    View all Tutors