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Edexcel GCSE higher tier Maths Paper 2 2H (1MA1) - 7th June 2023 [Exam Chat]

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Original post by gracevickers

What did people get for the probability in terms of n I can't really remember the question

That was a weird questiin

Original post by Bksa

i did not understand that one at all someone plz explain it

The probability of only getting blue is (4/5)^n and the probability of only getting green pens was (1/5)^n so you subtract them both from 1

Original post by daaaaaa

The probability of only getting blue is (4/5)^n and the probability of only getting green pens was (1/5)^n so you subtract them both from 1

why do you square them by n?

(edited 10 months ago)

will the grade boundaries be low
Cuz that was difficult imo

Original post by Bksa

why do you square them by n?

you put them to the power of n because you take pens n times. For example if you took two pens, the probability of just getting blue pens would be 4/5 x 4/5

what did u guys get for the iteration question

Original post by daaaaaa

you put them to the power of n because you take pens n times. For example if you took two pens, the probability of just getting blue pens would be 4/5 x 4/5

why dont you just multiply by n

Original post by gracevickers

What did people get for the probability in terms of n I can't really remember the question

(1-0.8^n-0.2^n)

Original post by tallqueen212

what did u guys get for the iteration question

7.66 something like that

Can't you work it out by doing 4/5 * n * 1/5 *n = (4n^2)/25

Original post by Talkative Toad

Edexcel GCSE higher tier Maths Paper 2 2H (1MA1) - 7th June 2023 [Exam Chat]
Welcome to the exam discussion thread for this exam. Introduce yourself! Let others know what you're aiming for in your exams, what you are struggling with in your revision or anything else.

Wishing you all the best of luck. :yy:

:yy:

General Information
Date/Time: 7th June 2023, am
Length: 1hr 30 mins

Resources
https://qualifications.pearson.com/en/qualifications/edexcel-gcses/mathematics-2015.html
https://www.physicsandmathstutor.com/past-papers/gcse-maths/edexcel-paper-2/
https://corbettmaths.com/
https://www.drfrostmaths.com/courses.php?sid=-10
2023 GCSE exam thread directory
Congratulations on finishing your exam!

Ayo what answers did you all get? I want to compare 🙏

Original post by user01906002

I got 1.25 but no idea if it was right

How did you get this I got -3.75 which is defo wrong but i was so confused on that and then question 23

Original post by off-nike

How did you get this I got -3.75 which is defo wrong but i was so confused on that and then question 23

I got that too

Original post by Caotica

7.66 something like that

i got that as well

Original post by Isaac L

Can't you work it out by doing 4/5 * n * 1/5 *n = (4n^2)/25

it cant be that as any number over 2 would have probability greater than one and highest probability is 1

SensationsOfLife

Original post by off-nike

How did you get this I got -3.75 which is defo wrong but i was so confused on that and then question 23

Same I got that but it’s wrong pretty sure

Original post by yx3003

it cant be that as any number over 2 would have probability greater than one and highest probability is 1

Oh yeah I'm wrong

what did you guys get for that sine rule question bc i can't remember what i put

For that question with the triangle being 10cm2 larger than the square, did u have to use quadratic formula or not?

Original post by Frizzle16523

For that question with the triangle being 10cm2 larger than the square, did u have to use quadratic formula or not?
a

Nop

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