# pdf/cdf/JOINT PROBABILITY/Expected values

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## pdf/cdf/JOINT PROBABILITY/Expected values

 Please suggest a good book from where i can do these topics. a lot of questions came from this topic in DSE 2014.
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## Re: pdf/cdf/JOINT PROBABILITY/Expected values

 Gupta & Kapoor, Degroot
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## DSE 2014 Q8

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## Re: pdf/cdf/JOINT PROBABILITY/Expected values

 In reply to this post by Aashna Gupta Kapoor -  Fundamentals of Mathematical statistics
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## Re: DSE 2014 Q8

 In reply to this post by amianand Answer is D. Draw a line y=x. Now, the function can never touch the line as f'(x) is not equal to one. If you try to draw some random graph of function, while keeping in mind that its derivative is never unity, then there comes only one possibility where f(x) crosses the y=x line. Take different f(a) and f(b) values, then you will notice if f(x) is only to one side of y=x line(make a rectangle of sides a and b), then it will necessary have a unit slope at some point. So, it will have to cut the line but only once.
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## Re: pdf/cdf/JOINT PROBABILITY/Expected values

 In reply to this post by ViV Does SC gupta and 'gupta &  kapoor'  are different books?
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## Re: pdf/cdf/JOINT PROBABILITY/Expected values

 NO...THEY ARE SAME
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## Re: pdf/cdf/JOINT PROBABILITY/Expected values

 No they are different On May 23, 2015 7:14 PM, "Sris [via Discussion forum]" <[hidden email]> wrote: NO...THEY ARE SAME If you reply to this email, your message will be added to the discussion below: http://discussion-forum.2150183.n2.nabble.com/pdf-cdf-JOINT-PROBABILITY-Expected-values-tp7596187p7597143.html To start a new topic under General Discussions, email [hidden email] To unsubscribe from General Discussions, click here. NAML
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## Re: pdf/cdf/JOINT PROBABILITY/Expected values

 In reply to this post by Abhik Okay. And how is freund?
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## Re: pdf/cdf/JOINT PROBABILITY/Expected values

 I DONT KNOW ABOUT IT...I HAVE PREPARED STATS FROM GUPTA AND KAPOOR AND  ALSO FROM DEVORE
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## Re: pdf/cdf/JOINT PROBABILITY/Expected values

 In reply to this post by RS It's a good book.