Let X ~ N(2,5), Y ~ N(3,4) and Z = 3X – 2Y + 1. Suppose that X and Y are independent variables. Determine the following a) E(Z) and V(Z) b) P(0 < Z < 1.5)

Long division setup showing an incomplete calculation. 12 is in the divisor, 6839 is in the dividend, and 5 hundreds and 6 tens is written in the quotient. 6000 is subtracted from 6839 to give 839. an unknown value represented by a box is being subtracted from 839. what number should be placed in the box to complete the division calculation?