Pearson Edexcel Level 3 GCE (9FMA0/3B) Further
Mathematics Advanced paper 3B:Further Statistics 1
Question paper+mark scheme Friday 14 June 2024
surname names
Number Number
Further Mathematics
■ ■
Advanced
PAPER 3B: Further Statistics 1
Candidates may use any calculator permitted by Pearson regulations.
Calculators must not have the facility for symbolic algebra manipulation,
differentiation and integration, or have retrievable mathematical formulae
stored in them.
Instructions
•• Use black ink or ball-point pen.
• Fill
If pencil is used for diagrams/sketches/graphs it must be dark (HB or B).
in the boxes at the top of this page with your name,
• Answer
centre number and candidate number.
all questions and ensure that your answers to parts of questions are
• Answer
clearly labelled.
the questions in the spaces provided
• You
– there may be more space than you need.
•• Answers
should show sufficient working to make your methods clear.
without working may not gain full credit.
Values from statistical tables should be quoted in full. If a calculator is used instead of
•Information
the tables the value should be given to an equivalent degree of accuracy.
Inexact answers should be given to three significant figures unless otherwise stated.
•• AThere
booklet ‘Mathematical Formulae and Statistical Tables’ is provided.
are 7 questions in this question paper. The total mark for this paper is 75.
• –Theusemarks
this asfor each as
a guide question
to how are
muchshown
timeintobrackets
spend on each question.
,1. The discrete random variable X has the following probability distribution
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x –1 0 1 3 5
P(X = x) 0.2 0.1 0.2 0.25 0.25
(a) Find Var(X )
(3)
(b) Find Var(X 2)
(3)
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2
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, Question 1 continued
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(Total for Question 1 is 6 marks)
3
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