17 May Given that z is the standard normal variable (with mean 0 and standard deviation 1), find a. P(-1.25<z<2.55) b.P(1.03<z<2.33)? ? 2. Given that
1. Giventhatzisthestandardnormalvariable(withmean0andstandarddeviation1),find a. P(-1.25<z<2.55) b.P(1.03<z<2.33) 2. Given that IQ scores are normally distributed with...