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17) 80 people are asked if they like coffee.

48 of these people are women.

61 of the 80 people like coffee.

8 of the men do

**not**like coffee.

a) Use this information to complete the frequency tree.

**[3 marks]**

One of the people who like coffee is chosen at random.

b) Find the probability that this person is a woman.

**[2 marks]**