Question

400 people were asked if they drink tea.
7/10 say Yes and 20% of the people who say Yes drink at least 3 cups each day.
a) Complete the frequency tree
b) What fraction of the 400 people drink at least 3 cups of tea each day?
Give your answer in its simplest form.

Answer 1

Answer:

Step-by-step explanation:

280 People drink tea.

120 people dont drink tea

56 people out of 280 drink tea

400 x 7/10 x 20%=56/400