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2.4.12 Calculate probabilities from a Normal distribution (A-level only)

2.4.12 Calculate probabilities from a Normal distribution (A-level only)

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Question 4

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

2.4.12 Calculate probabilities from a Normal distribution (A-level only) Questions

  1. A Level
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  3. /2.4.12 Calculate probabilities from a Normal distribution (A-level only)

149 exam-style questions on OCR (MEI) A Level Maths 2.4.12 Calculate probabilities from a Normal distribution (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

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