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5. Suppose that X is a discrete random variable with the following probability mass function: where 0 <0 <1 is a parameter. x
(b) Calculate ô using the maximum likelihood method. (5 points)it shoud be 0<= theta<= 3. plz type it and answe both a and b. thank you
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Answer #1

(A) moment estimation

E(X) =sum{ x*p(X=x)} = (3-thita)/3

=>4/10 =1-(thita/3)

=> thita/3 = 0.6

=> thita^ =1.8 answer

(B) MLE

Likelihood ={p( X=0)*p(X=1)}

=( thita/3)*(3-thita)/3 =(3*thita-thita^2)/9

Differentiate w.r.t thita and equate to zero

thita ^=3/2= 1.5

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