Menu
Home / GATE 2017-2018 / GATE Mathematics :: Discussion

Discussion :: GATE Mathematics

  1. If a random variable X assumes only positive integral values, with the probability 
    P(X = x) = 2/3 (1/3)x-1, x = 1,2,3,... 
    then E(X) is
    2. A.
    2/9
    B.
    2/3
    C.
    1
    D.
    3/2

    View Answer

    Workspace

    View Answer

    Answer : Option D

    Explanation :

    -NA-

Write your comments here:

Be The First To Comment