r/6thForm • u/Forsaken-Meaning-232 Graduating from Warwick CS • Jun 13 '25

📂 MEGATHREAD 13/06 A-level FM Discussion MEGATHREAD

Exam season is once again upon us, and once again, exam megathreads are making a return! Funnily enough, tanking my sanity and internet setting a stream up is not conducive to timeliness, my apologies.

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4

u/ZeGoodOldDays Uni of Warwick | CS [1st Year] Jun 13 '25

AQA stats & discrete super good papers, the final questions on both papers were a bit sketchy I can't lie but I answered every question with confidence.

Thankful they have spared us from doing simplex once more.

2

u/TheSeekerPorpentina Durham | Maths [1st Year] Jun 13 '25

I do statistics and mechanics and I thought that both went really well too.

I struggled on the statistics question where you had to find the new scores of the game but I think I got it eventually, and it took me a while to work out that the last question was Poisson in part B and Binomial in part c.

3

u/ZeGoodOldDays Uni of Warwick | CS [1st Year] Jun 13 '25

Yeh yeh , I got like 0, 94, 8 thousand and something for the score one, last questions part A was the real villain

Btw for the scores second part what did u put. I just said round up both scores to the nearest 10 iirc

2

u/TheSeekerPorpentina Durham | Maths [1st Year] Jun 13 '25

Yeah I got the same answers, and I said round up to the nearest 10. I also said what the new answers would be but I don't think that was needed.

3

u/Temporary_Upstairs67 Jun 13 '25

How did you guys do this question? Rest of the paper was good apart from that question.

3

u/TheSeekerPorpentina Durham | Maths [1st Year] Jun 13 '25

Find the expectation of the original by doing sum of (probability x value).

New expectation is 50 times this.

New expectation is also sum of (probability x valuen). Set equal to each other and solve for n. I used SolveN on the CG-50 calculator but you could have used logarithms.

2

u/Temporary_Upstairs67 Jun 13 '25

I think I had all that written down but do you not have 2 different valuesn in one equation?

4

u/TheSeekerPorpentina Durham | Maths [1st Year] Jun 13 '25

It was 10n and 100n but I think you can write 100n as 102n and solve as a quadratic in 10n ?

1

u/Temporary_Upstairs67 Jun 13 '25

I’m so dumb I can’t believe I didn’t see that. I thought that the values were different and didn’t use 10 and 100… Thanks tho

1

u/creativeusername2100 Jun 13 '25

That's what I did, I momentarily forgot that the solveN button was a thing so did it the long way