if a variable X takes values 0,1,2, n with frequencies nC0 , nC1,nC2 , - Maths - Probability

Question

if a variable X takes values 0,1,2, n with frequencies nC0 ,
nC1,nC2 , , nCn then write variance X

Prasanta · Accepted Answer

Dear student
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if a variable X takes values 0,1,2,.....n with frequencies nC0 , nC1,nC2 ,........., nCn then write variance X