2003 April question on Likelihood

Discussion in 'CT6' started by srivadana, Sep 7, 2014.

  1. srivadana

    srivadana Member

    Hi I have a doubt in the third bit of 7th question in April 2003 UK exam paper

    In the third bit where we have to write down the likelihood function. I have written. the mulitplied pdf of x1...x6 (for the claims <=M) and then multiplied by (p(xi>M))^4. Which is wrong according to the report answer.

    I have also noticed that in the reports they mentioned the comment on the mistake I made.

    A common error was to express the likelihood as the probability of 4 claims exceeding M multiplied by the product of x1 to x6.

    I don't understand why my way of expressing likelihood is a mistake.

    can you explain? thanks!
     

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