9709/61

Mathematics 9709/61May/June 2016

Cambridge A-Level · Probability & Statistics 1 (S1) · worked solutions for every part, with the mark scheme

7
questions
50
marks
75
minutes

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

Q13MThe Normal DistributionFree sample

The height of maize plants in Mpapwa is normally distributed with mean 1.62 m1.62\text{ m} and standard deviation σ m\sigma\text{ m}. The probability that a randomly chosen plant has a height greater than 1.8 m1.8\text{ m} is 0.150.15. Find the value of σ\sigma.

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6 more questions
  • Q2Discrete Random Variables5M
  • Q3Probability5M
  • Q4Discrete Random Variables · Probability6M
  • Q5The Normal Distribution · Discrete Random Variables9M
  • Q6Permutations and Combinations11M
  • Q7Representation of Data11M
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