Define the discrete random variable X by where the sample space = { 1 , 2
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Define the discrete random variable X by
where the sample space Ω = {ω1,ω2,ω3},P(ω1) = P(ω2) = P(ω3) = 1/3.
Find a new probability measure P̃ such that the mean becomes EP̃ [X] = 3.5 while the variance remains unchanged. Is P̃ unique?
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