9709/61

Mathematics 9709/61May/June 2014

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

7
questions
50
marks
75
minutes

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

Q14MThe Normal DistributionFree sample

The petrol consumption of a certain type of car has a normal distribution with mean 24 kilometres per litre and standard deviation 4.7 kilometres per litre. Find the probability that the petrol consumption of a randomly chosen car of this type is between 21.6 kilometres per litre and 28.7 kilometres per litre.

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6 more questions
  • Q2The Normal Distribution5M
  • Q3Discrete Random Variables5M
  • Q4Probability · Discrete Random Variables7M
  • Q5Probability8M
  • Q6Permutations and Combinations10M
  • Q7Representation of Data11M
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