Chrome x.ac.ke/mod/quiz/attempt.php?attempt-994384&cmid=216155 The probability mass function(pmf) of a discrete random variable X is given by the table below x -3 -2 -1 01 p(x=x) 0.150.350.18 0.1d Correct to 2 decimal places, compute the value of: a) The constant d = 0.22 b) P(-2 x 1) = Numeric c) P(-3 -1) = e) E(x) = O Search L Chrome k.ac.ke/mod/quiz/attempt.php?attempt-9943848cmid=216155 e) E(x) = f) Var(x) = Given that Y = 15X +3, find: g) E (Y) = h) Var(Y) =