Alpha Geek

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    Polytechnic State University Sanluis
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Category > Statistics Posted 02 Aug 2017 My Price 5.00

Let the sum of the dots resulting from the throw of two dice be a discrete random variable X.

Let the sum of the dots resulting from the throw of two dice be a discrete random variable X. The probabilities associated with their permissible values 2, 3, . . . , 12 are easily found by itemizing all possible results of the throw (or from Fig. 1.3). Find E(X) and Var X.

 

Answers

Alpha Geek
(8)
Status NEW Posted 02 Aug 2017 01:08 PM My Price 5.00

Let----------- us----------- pr-----------epa-----------re -----------pdf----------- fo-----------r x----------- X -----------2 3----------- 4 -----------5 6----------- 7 -----------8 9----------- 10----------- 11----------- 12----------- Fa-----------vou-----------rab-----------le -----------1,1----------- 1,-----------2 &-----------amp-----------; 2-----------,1 -----------1,3-----------&am-----------p;2-----------,2&-----------amp-----------;3,-----------1 â-----------€¦ -----------Pro-----------b p----------- 1/-----------36 -----------1/1-----------8 1-----------/12----------- 1/-----------9 5-----------/36----------- 1/-----------6 5-----------/36----------- 1/-----------9 1-----------/12-----------

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