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Let X be the random variable for the sum obtained by rolling two fair dice. What are the P(X) and F(X) functions for X? What is E(X)? 

          Let X be the random variable for the sum obtained by rolling two fair dice. What are the P(X) and F(X) functions for X? What is E(X)?

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Elementary Statistics a Step by Step Approach
Elementary Statistics a Step by Step Approach
Allan G. Bluman 9th Edition
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Let X be the random variable for the sum obtained by rolling two fair dice. What are the P(X) and F(X) functions for X? What is E(X)?
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Transcript

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00:01 In the following question, it is given that probability of x is equal to n, that is 1 minus p, whole to the power n minus 1 multiple p, and where n is start from 1 to dot dot.
00:13 Okay? so it is given that x, that is number of trials, x, that is number of trials, the first success, first success, and p success met.
00:32 Met.
00:33 Okay...
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