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BoS Maths Trials 2018 (1 Viewer)

Paradoxica

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it seems like the probability of winning on the kth term in dependant on both the amount of cards (n) and the intended turn (k). it doesn't make sense to replace n with k if what im saying is correct.
The number of cards on the nth turn is n+2.
 

avatarfahaad

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I loved the 4U paper but it didn't seem as difficult compared to the previous years. I had a lot of fun doing question 16 especially.
 

1039213

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Honestly if anyone passes either of them, they pretty much can guarantee a state rank. Thank god this is not the hsc lmaoooooo
 

HeroWise

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Loll, we will see next year How hard these can get xd
 

AstroHawking1090

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Hey with Q16 d) i) we use the fact that I(1/b) = I(b) - 2*pi*ln(b), which leads to an obvious statement which makes the show question true. However, we are using the result from c) v) which is only reached assuming a > 1. In d) b > 0. So isnt that a logical fallacy? Note you have to use part i to do part ii, which furthers the illogical result.
 

Paradoxica

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Hey with Q16 d) i) we use the fact that I(1/b) = I(b) - 2*pi*ln(b), which leads to an obvious statement which makes the show question true. However, we are using the result from c) v) which is only reached assuming a > 1. In d) b > 0. So isnt that a logical fallacy? Note you have to use part i to do part ii, which furthers the illogical result.
No. The case 0<b<1 can be transformed via a functional equation into the valid domain over where the result was proven to be true. Perhaps you should keep staring at the paper.
 

clovvy

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we have HSC maths 4U and 3U coming up soon!! please get the solutions out at least!!!!
 

Trebla

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Make that tomorrow night soz

If you want any specific questions in the paper answered in the meantime, please make a post here.
 

Radetzky

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It seems like the person who got 45 misplaced his multiple choice answer sheet
 

clovvy

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please get the 3U one out like ASAP!!! our exams are soon!!
 

Trebla

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Should also remark that a surprising number of people actually left questions unattempted in the MC. If you don't know the answer then guess it!
 

clovvy

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Damn I was only aiming for 20% in this BOS trials and I did way better than I thought
 

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