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CBSE Class 9 Answered

probability
Asked by | 03 Mar, 2008, 10:39: PM
Expert Answer

It should be equal to 1.

 

The sum of p(x) over all possible values of x is 1, that is

sum of pj over all j =1.

where j represents all possible values that x can have and pj is the probability at xj.

Answered by | 12 Mar, 2008, 09:59: AM
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