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# S2 june 15th 2016 wjec

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1. (Original post by siri29)
I got a different answer for 4a). i got your answer at first but i realised that it was a two sided hypothesis so you had to use the 95% level (not sure if that made sense). i ended up getting 1.473
yo, so did I!!! i did the same thing; realised after doing it that it was two sided init haha
2. (Original post by siri29)
I got a different answer for 4a). i got your answer at first but i realised that it was a two sided hypothesis so you had to use the 95% level (not sure if that made sense). i ended up getting 1.473
That's what I did too!

Although when i ended up with k= 1.473 and subbed it into the next part, i ended up getting probabilities > 1. I couldn't fish it out at all.
3. (Original post by Faisalshamallakh)
That's what I did too!

Although when i ended up with k= 1.473 and subbed it into the next part, i ended up getting probabilities > 1. I couldn't fish it out at all.
yup lol i couldn't fish out the probability either (although getting the 1.47)!!
4. I think that went really well. *Shrug*
Then again, I also thought Ch4 went really badly, and everyone seems to have aced it, so maybe I'm just so stupid I've entered some kind of ascended state of pure ignorance?

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