If E (X)=5, E(X^2)=35,find variance of Xplz answer the question pls – InterviewSolution

1.

If E (X)=5, E(X^2)=35,find variance of Xplz answer the question plssssssI will mark you as brainlist

Answer»

Answer:

10

Step-by-step explanation:

The formula for FINDING variance is V(x)=E(X^2)-E(X)^2

given V(X)=?,E(X^2)=35 ,E(X)^2=5^2=25

V(X)=35-25

V(X)=10

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