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9709/62

Mathematics 9709/62 — May/June 2018

Cambridge AS Level · Probability & Statistics 1 · worked solutions for every part, with the mark scheme

7
questions
50
marks
75
minutes

Topics Discrete Random Variables · Representation of Data · Probability · The Normal Distribution · Permutations and Combinations

Q1Representation of DataFree sample

Each of a group of 10 boys estimates the length of a piece of string. The estimates, in centimetres, are as follows.

3740453836384238403937\quad 40\quad 45\quad 38\quad 36\quad 38\quad 42\quad 38\quad 40\quad 39
(i)

Find the mode.

1M
(ii)

Find the median and the interquartile range.

3M

The rest of this paper

6 more questions
  • Q2Probability6M
  • Q3The Normal Distribution · Discrete Random Variables6M
  • Q4Discrete Random Variables · Probability6M
  • Q5Representation of Data7M
  • Q6Permutations and Combinations10M
  • Q7Discrete Random Variables · The Normal Distribution11M
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