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The Normal Distribution

The Normal Distribution

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Question 36

The 100m race times an athlete records are normally distributed.
The mean of the times is 10.5 seconds and the standard deviation is 0.5 seconds.

Find the percentage of the time the athlete is faster than 10 seconds and the percentage of the time the athlete is slower than 11 seconds. Give your answers to 3 significant figures.

[6]
Markscheme

The Normal Distribution Questions

  1. A Level
  2. /Maths
  3. /The Normal Distribution

616 exam-style questions on Edexcel A Level Maths The Normal Distribution, covering 3.1 The Normal Distribution, 3.2 Finding Probabilities for Normal Distributions, 3.3 The Inverse Normal Distribution Function, 3.4 The Standard Normal Distribution, 3.5 Finding the mean and standard deviation, 3.6 Approximating a Binomial Distribution, and 3.7 Hypothesis Testing with the Normal Distribution. Each one has a worked solution and a mark scheme showing where the marks go.

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