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Help with S2 question?

How do you do 12b?

Thank you

Edit: Sorry!!! It was the wrong photo :frown:

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

((

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

(edited 7 years ago)

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this is c3?

Original post by RegrettingAS

this is c3?

yep xD

Reply 3

DFranklin

Original post by Jellyxx

How do you do 10b?

Thank you

If f(x) = 4, f(x)^2 = 16...

Reply 4

Jellyxx

Original post by Jellyxx

How do you do 12b?

Thank you

Edit: Sorry!!! It was the wrong photo :frown:

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

((

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.