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Venn diagrams Q10 Tea Coffee Milk
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This video is all about venn diagrams and forms part of the playlist by the same name.
The question is aimed at level 7 GCSE maths and is fairly complex:
Sami asked 50 people which drinks they liked from tea, coffee and milk.
All 50 people like at least one of the drinks
19 people like all three drinks
16 people like tea and coffee but do not like milk
21 people like coffee and milk
24 people like tea and milk
40 people like coffee
1 person likes only milk
Sami selects at random one of the 50 people.
Work out the probability that this person likes tea
Given that the person selected at random from the 50 people likes tea, find the probability that this person also likes exactly one other drink.
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