pdf/cdf/JOINT PROBABILITY/Expected values

[Aashna]

Please suggest a good book from where i can do these topics. a lot of questions came from this topic in DSE 2014.

[ViV]

Gupta & Kapoor, Degroot

[amianand]

Hi, Can anyone please help me on this?

[Abhik]

Gupta Kapoor -  Fundamentals of Mathematical statistics

[dhruv]

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.

[RS]

Does SC gupta and 'gupta &  kapoor'  are different books?

[Sris]

NO...THEY ARE SAME

[bhavna khari]

No they are different

On May 23, 2015 7:14 PM, "Sris [via Discussion forum]" <[hidden email]> wrote:

NO...THEY ARE SAME

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NAML

[RS]

Okay. And how is freund?

[Sris]

I DONT KNOW ABOUT IT...I HAVE PREPARED STATS FROM GUPTA AND KAPOOR AND  ALSO FROM DEVORE

[onionknight]

It's a good book.

[ani]

For elememtary concepts of statistics go for fundamentals of statistics by goon gupta dasgupta .
u can also consult elementary of statistics by rohatgi saleh

[ani]

For elememtary concepts of statistics go for fundamentals of statistics by goon gupta dasgupta .
u can also consult elementary of statistics by rohatgi saleh