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**vinayak****Member**- Registered: 2012-04-18
- Posts: 6

Ecologists marked 60 fish in a little lake. A few days later a man caught 80 fish, of which five were marked. Estimate the number of fish in the lake.

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 103,728

Hi;

You need to estimate the MLE. Use this formula to do so:

n = 960 so that is the population of the fish in the lake using the most likely probability or MLE( maximum likelihood estimator)

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.** **A number by itself is useful, but it is far more useful to know how accurate or certain that number is.**

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**vinayak****Member**- Registered: 2012-04-18
- Posts: 6

Thanks for the information.

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 103,728

Hi vinayak;

You are welcome and welcome to the forum!

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.** **A number by itself is useful, but it is far more useful to know how accurate or certain that number is.**

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**vinayak****Member**- Registered: 2012-04-18
- Posts: 6

The value p is inversely proportional to q power 2.5. To what power of p is q proportional?

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**bob bundy****Moderator**- Registered: 2010-06-20
- Posts: 7,548

hi vinayak

And welcome from me too.

Your new question started here:

http://www.mathisfunforum.com/viewtopic … 82#p211682

Bob

Children are not defined by school ...........The Fonz

You cannot teach a man anything; you can only help him find it within himself..........Galileo Galilei

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