30C121 Ekonometria
30C121 Ekonometria. https://cie.hkkk.fi/30C121. Petri Jylhä. R.1. S f(x)=36. P(X=0)=6/36=0,167. R.2. R.3. E(X) = S x i P(X=x i ). = 0*0,167+1*0,278+…+5*0,056. = 1,94. R.4. E(X) = S x i P(X=x i ). = 1*0,028+2*0,083+…+6*0,306. = 4,47. R.6. E(X 2 ) = S x i 2 P(X=x i ).
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