1 votes 1 votes Can any one say how to solve Z score questions like below 1) P(1≤Z≤30) = ? 2) P(z>2.5)=? 3) P(z<=k) = 0.9 find k? Will they give any related values of Z-scores in exam ? Probability engineering-mathematics probability + – Anjan asked Nov 12, 2017 • edited Nov 12, 2017 by Anjan Anjan 519 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.