Mathematics, 28.03.2021 19:40 kayliejeancost

A cafeteria serves only main courses and desserts. Some people just have a main, some have just a dessert and some have both.
One day, 65% of the customers had a main course and 90% had a dessert.
a) Show this information on a Venn diagram.

b) What is the probability that a customer had a main course and a dessert? c) If it is known that a customer had a dessert, what is the probability that
they also had a main course?

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