copyjpg 2 1atn1n12at 1atn09iEXt1X0nPXtn1X1natn1 1atn11 1at21X1nat 1atn11 1at21at21iiEX2tXn2atn1 1atn11 1at21X1n2at 1atn11 ID: 179323
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![copy.jpg 2 (1+at)n+1;n=1;2;:::at 1+at;n=09 = ;(i)E[X(t)]=1X0nP(X(t)=n)=1X1n(at)n 1 (1+at)n+1=1 (1+at)21X1nat 1+atn 1=1 (1+at)2(1+at)2=1(ii)E[X2(t)]=Xn2(at)n 1 (1+at)n+1=1 (1+at)21X1n2at 1+atn 1=1](/search/copy.jpg-2-(1 at)n 1;n=1;2;:::at-1 at;n=09 = ;(i)e[x(t)]=1x0np(x(t)=n)=1x1n(at)n 1-(1 at)n 1=1-(1 at)21x1nat-1 atn 1=1-(1 at)2(1 at)2=1(ii)e[x2(t)]=xn2(at)n 1-(1 at)n 1=1-(1 at)21x1n2at-1 atn 1=1){kind=link}