S2 IAL June 2015 Edexcel Model Answers (kprime2)
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Original post by Deadeye
I know i'm an idiot but i guess you are correct? So sight of -.5 = 1 mark?
yes so long as there is some kind of implication that this is a gradient.
Original post by imran_
hi @kprime2 for question 1B, can you explain what you did after getting p(x<a)=0.892
Thanks in advance!
Thanks in advance!
P(X<a) = (2a-5)/5 = 0.892
Then rearrange for a.
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