CBSE Class 12-science Answered
Explain how to calculate variance of distribution in probability?
Asked by | 11 Jun, 2008, 10:19: AM
Expert Answer
variance in a probability distribution can be calculated using the formula
Var(X) = summation of ( X- E(X) )2
where X is a random variable
E(X) is the expection of X
and Var(X) is variance of X
Answered by | 11 Sep, 2008, 12:42: PM
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