Recent content by cgchayan

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    Probability: joint probability distribution problem?

    All understood.. but how to find out the p.d.f of T? Because without the pdf of T the required probability cannot be calculated.. Please help
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    Undergrad What is the sum of the series nCr . 2r?

    thanx
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    Undergrad What is the sum of the series nCr . 2r?

    what will be the sum of this series? \Sigma nCr . 2r where r = 0 to n
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    Undergrad Probability problem (came in TIFR)

    A marine biologist wanted to estimate the number of fish in a large lake. He threw a net and found 30 fish in the net. He marked all these fish and released them into the lake. The next morning he again threw the net and this time caught 40 fish, of which 2 were marked. The approximate number of...