Understanding the PMF of a Random Variable: A Brief Overview

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flughafen
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Homework Statement
statistics
Relevant Equations
pmf
I am new to the topic so I do need your help here. Thanks in advance

1.png
 
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BvU said:
Hello @flughafen, :welcome: !

Unfortunately for you, PF requires an effort from you before we are allowed to assist. So: what have you got thus far ?

I haven't gotten much far yet. Just left it there, thinking that I could use the answer of this as base for other alike questions.
 
flughafen said:
I haven't gotten much far yet. Just left it there, thinking that I could use the answer of this as base for other alike questions.

Have you tried sketching the cdf as in part a? This should help you to see what's going on.
 
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