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AQA-7367-3S-FURTHER MATHEMATICS QUESTION PAPER 3S:Statistics-A LEVEL-7Jun24-PM

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AQA-7367-3S-FURTHER MATHEMATICS QUESTION PAPER 3S:Statistics-A LEVEL-7Jun24-PM. 2 Do not write outside the box (02) G/Jun24/7367/3S Answer all questions in the spaces provided. 1 The random variable X has a Poisson distribution with mean 16 Find the standard deviation of X Circle your answer. [1 mark] 4 8 16 256 2 The random variable T has an exponential distribution with mean 2 Find P(T ≤ 1.4) Circle your answer. [1 mark] e –2.8 e –0.7 1 – e –0.7 1 – e –2.8 000002 Page 2 of 16 FURTHER MATHEMATICS 3 Do not write outside the box (03) G/Jun24/7367/3S Turn over U 3 The continuous random variable Y has cumulative distribution function F(y) = 0 y 2 – 1 9 y 2 + 10 9 y – 16 9 2 ≤ y 5 1 y ≥ 5 { Find the median of Y Circle your answer. [1 mark] 2 10 – 3√2 2 7 2 10 + 3√2 2 Turn over for the next question 000003 Page 3 of 16 FURTHER MATHEMATICS 4 Do not write outside the box (04) G/Jun24/7367/3S 4 Research has shown that the mean number of volcanic eruptions on Earth each day is 20 Sandra records 162 volcanic eruptions during a period of one week. Sandra claims that there has been an increase in the mean number of volcanic eruptions per week. Test Sandra’s claim at the 5% level of significance. [6 marks] _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________

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000001




AQA
AQA



Please write clearly in block capitals.


Centre number Candidate number


Surname _________________________________________________________________________




S
Forename(s) _________________________________________________________________________




C
Candidate signature _________________________________________________________________________




TI
I declare this is my own work.


A-level




A
EM
FURTHER MATHEMATICS
Paper 3 Statistics
TH
Friday 7 June 2024 Afternoon Time allowed: 2 hours
Materials
A

For Examiner’s Use
l You must have the AQA Formulae and statistical tables booklet for
A‑level Mathematics and A‑level Further Mathematics. Question Mark
M


l You should have a graphical or scientific calculator that meets the
1
requirements of the specification.
l You must ensure you have the other optional Question Paper/Answer Book 2
for which you are entered (either Discrete or Mechanics). You will have
ER




2 hours to complete both papers. 3
4
Instructions
l Use black ink or black ball‑point pen. Pencil should only be used for drawing. 5
TH




l Fill in the boxes at the top of this page.
6
l Answer all questions.
l You must answer each question in the space provided for that question. 7
If you require extra space for your answer(s), use the lined pages at the end
R




of this book. Write the question number against your answer(s). 8
l Do not write outside the box around each page or on blank pages. 9
FU




l Show all necessary working; otherwise marks for method may be lost.
l Do all rough work in this book. Cross through any work that you do not want 10
to be marked.
TOTAL
Information
l The marks for questions are shown in brackets.
l The maximum mark for this paper is 50.


Advice
l Unless stated otherwise, you may quote formulae, without proof, from the booklet.
l You do not necessarily need to use all the space provided.




G/LM/Jun24/G4006/V6 7367/3S
Page 1 of 16

,000002

2
Do not write
outside the
box
Answer all questions in the spaces provided.



1 The random variable X has a Poisson distribution with mean 16

Find the standard deviation of X

Circle your answer.
[1 mark]




S
4 8 16 256




C
TI
A
2 The random variable T has an exponential distribution with mean 2




EM
Find P(T ≤ 1.4)

Circle your answer.
TH
[1 mark]

e– 2.8 e– 0.7 1 – e– 0.7 1 – e– 2.8
A
M
ER
TH
R
FU




(02)
G/Jun24/7367/3S
Page 2 of 16

, 000003

3
Do not write
outside the
box
3 The continuous random variable Y has cumulative distribution function




{
0 y<2

F( y ) = – 1 y2 + 10 y – 16 2≤y<5
9 9 9
1 y≥5

Find the median of Y




S
Circle your answer.
[1 mark]




C
10 – 3√ 2 7 10 + 3√ 2
2
2




TI
2 2




A
Turn over for the next question




EM
TH
A
M
ER
TH
R
FU




Turn over U


(03)
G/Jun24/7367/3S
Page 3 of 16

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