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3.5 Finding the mean and standard deviation

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Question 10

The heights of a group of people are normally distributed with a mean of 164 cm and 10% of the people have a height of less than 150 cm.

Find the standard deviation of the heights of the people.

[4]
Markscheme

3.5 Finding the mean and standard deviation Questions

  1. A Level
  2. /Maths
  3. /3.5 Finding the mean and standard deviation

48 exam-style questions on Edexcel A Level Maths 3.5 Finding the mean and standard deviation. Each one has a worked solution and a mark scheme showing where the marks go.

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