Guest Session: 1 Question Remaining. Create Account to save progress.
Login
Random Variableseasy
0:00.0

A discrete random variable has possible values {10,20}\{10, 20\}{10,20} with P(X=10)=0.5P(X=10) = 0.5P(X=10)=0.5 and P(X=20)=0.5P(X=20) = 0.5P(X=20)=0.5. What is the standard deviation σ\sigmaσ?