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The Normal Distribution

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Question 34

The mass of apples produced in an orchard follows a normal distribution with a mean of 120 g and a standard deviation of 15 g.

Find the probability that the mass of an apple is:

a.

More than 135 g

[1]
b.

Less than 105 g

[1]
c.

Between 105 g and 135 g

[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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