Flashcards
Variables And Distribution
Cards in this deck (11)
- 1Expected Value for Discrete Random VariableE(X)=[Sum]xip(xi)
- 2Variance for Discrete Random VariableVar(X)=E(X^2)-E(x)^2
- 3E(XY);X,Y independentE(X)E(Y)
- 4Var(aX)= Var(a+X)=a^2Var(X)
Var(X) - 5Continuous Random VariableP(ab f(x) dx
- 6P(aBottom Right Shaded
- 7P(Z<0.45)Straight From Table...
Ans = 0.3264 = 32.64% - 8P(Z<-1.03)P(Z>1.03) = 1 - (P<1.03) = 84.85%
- 9P(0.36P(Z<1.04) - P(Z>0.36) =
- 10P(-0.48P(Z<0.60)-P(Z<0.48) =
- 11Z Score ~ N(0,1)(X-[mew])/[sigma]
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- College Stats Flashcards on Variables And Distribution, created by danny.cashin on 02/05/2014.
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- danny.cashin
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