Question
Z N(0, 1) and (z) is its CDF. Let X N( = 3, 2 = 9). (1) if (1.96) = 0.975. Find x* such that
Z N(0, 1) and (z) is its CDF. Let X N( = 3, 2 = 9).
(1) if (1.96) = 0.975. Find x* such that P(X x* ) = 0.025.
(2)Let U = 3X + 1. prove that U has a normal distribution by deriving its MGF.
(3) there is a transformed variable Y = e 1+2X. Find its expected value E(Y ).
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Essentials Of College Algebra
Authors: Margaret L Lial, John E Hornsby, David I Schneider, Teresa McGinnis
10th Edition
0321970632, 9780321970633
