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    How do you do 12b?


    Thank you

    Edit: Sorry!!! It was the wrong photo

    Edit 2: Why is it sideways? It wasn't like that on the document folder ((




    Q 12A) Ans= median is ln2/a

    12) fx= ae^(-ax) x>0

    The above distribution, with a=0.8, is proposed as a model for the length of life, in years, of a species of bird.
    Find the expected number out of a total of 50 birds that would fall in the class interval of 2-3 years
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    this is c3?
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    (Original post by RegrettingAS)
    this is c3?
    yep xD
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    (Original post by Jellyxx)
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    How do you do 10b?


    Thank you
    If f(x) = 4, f(x)^2 = 16...
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    How do you do 12b?


    Thank you

    Edit: Sorry!!! It was the wrong photo


    Edit 2: Why is it sideways? It wasn't like that on the document folder ((



    Q 12A) Ans= median is ln2/a

    12B) fx= ae^(-ax) x>0

    The above distribution, with a=0.8, is proposed as a model for the length of life, in years, of a species of bird.
    Find the expected number out of a total of 50 birds that would fall in the class interval of 2-3 years.
 
 
 
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