... OneNote ow Home Insert Draw View Share Cut Calibri 20 VEEV Heading 1 To Do [ Copy Paste Format B I U ab X v LVAv Ev X Heading 2 * Important 21 - 23 IB Al Note... F x Read-only _Content Library is read-only. Copy content from here to another location to edit it. n observations. Q CH8 Proba... CH16 C... 12 a E(X) = 5, Var (X) = 1.2, n=7 13 a E(X) =-4.7, Var (X) = 0.8, n = 20 8A Transfor... L HL_CH... b E(X) = 6, Var (X) = 2.5, n = 12 7 E( x) = 6 Var ( X ) = 2.5 b E(X) =-15.1, Var(X) =0.7, n= 15 Exercise 8A HL_CH... 8B Distribu... 14 a X ~ N ( 12, 9 ) , n = 10 E ( x ) = 12 15 X ~ B(6, 0.5), n = 10 E (x)_ E(x)= 6x0.5 HL_CH... 24 =3 Exercise 8B b X ~ N (8, 0.25) , n = 12 cacx ) = q HL_CH.. E( X )-8 Ver(x ) = 0.25 b X ~ B (12, 0.3) , n = 8 Vor ( x ) -+. vor(*) HL_CH... 8C Poisson... 16 The table shows the probability distribution of a random variable A. E(x) = 3. 6 Exercise 8C - 75 x 6 x0 . 5 x 05 HL_CH... x 3 5 7 Var ( X ) = 0.315 8D Markov... HL_CH... P (X =x) 0.2 0.3 0.2 0.3 - 02.15 HL_CH... Exercise 8D Checklist a... a Find E(X). HL_Ch... The random variable Y is given by Y = 3X +1. HL_CH... b Find E(Y). HL_CH... c Given that Var (X) = 4.96, find Var (Y). HL_CH... 17 The random variable Whas the probability distribution given by HL_CH... P ( W = W) = 4 for w = 1, 2, 4, 8 (5L05) H... a Find the value of k. Daily ex... The random variable V is given by V = 2W -2. HL_Dail... b Given that Var (W) = 3.45, find Var (V). HL_ho.. Add page 8A Transforming variables 289 Add