# Do u think this is correct?Watch

#1
Hi

I found this markscheme (In S2) that i think theres seomthing wrong, could you check it please?

Here the integral of 1/3 isnt included. only 1/3.

is this the way you do it?
0
9 years ago
#2
What's the question? It's confusing without.

Edit: I think I see what's going on. To get the final cdf for 1<x<2 you have to include F(1). When you sub 1 into 1/3x you get...
0
9 years ago
#3
Way to give us half the question

I'm guessing it says something like f(x) = 1/3 in the range 0 < x < 1, since the limit on the integral changed

So,

That's all they've done.
#4
(Original post by nuodai)
Way to give us half the question

I'm guessing it says something like f(x) = 1/3 in the range 0 < x < 1, since the limit on the integral changed

So,

That's all they've done.

Ok thats ehm, kinda embarassing :P ok thanks for your help again

(Original post by lilangel890)
What's the question? It's confusing without.

Edit: I think I see what's going on. To get the final cdf for 1<x<2 you have to include F(1). When you sub 1 into 1/3x you get...

yeap thats right

0
9 years ago
#5
It's what nuodai said, this is how you get the CDF from PDF.
0
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