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4.5.1 Statistical distributions (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]

4.5.1 Statistical distributions (A-level only) Questions

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