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4.5 Statistical distributions (A-level only)

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Question 21

The mass of a specific variety of apple is normally distributed with a mean of 150 g and a standard deviation of 10 g.

Find the probability that the mass of an apple is:

a.

More than 162.5 g

[1]
b.

Less than 137.5 g

[1]
c.

Between 137.5 g and 162.5 g

[1]

4.5 Statistical distributions (A-level only) Questions

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