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The Normal Distribution

The Normal Distribution

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Question 5

The heights of sunflower plants in a nursery are normally distributed with a mean of 160 cm and a standard deviation of 5 cm.

Find the probability that the height of a randomly selected sunflower is:

a.

More than 170 cm

[1]
b.

Less than 150 cm

[1]
c.

Between 150 cm and 170 cm

[1]
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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