0 votes 0 votes a) 0 & 1 b) 1 & 2 c) 1 & 4 d) None of these Probability engineering-mathematics isro-ece isro2012-ece probability + – sh!va asked Feb 28, 2017 edited Mar 9, 2019 by Naveen Kumar 3 sh!va 479 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.
Best answer 0 votes 0 votes Answer is C) E(ax + b) = aE(x) + b so Y' = 2(0)+1 = 1 And Variance( ax + b) = a^2 Variance(x) so Variance(Y) = 4 Variance (Y) = 4 https://revisionmaths.com/advanced-level-maths-revision/statistics/expectation-and-variance Rahul Jain25 answered Mar 2, 2017 Rahul Jain25 comment Share Follow See all 0 reply Please log in or register to add a comment.