Question

In an Italian breakfast café, a waitress has observed that 80% of her customers order coffee while the other 20% order a different drink. If a customer orders coffee, there is a 0.42 probability the customer will also order biscotti. On the other hand, only 15% of customers who ordered a different drink also order biscotti. Let B = a randomly selected customer orders biscotti and C- a randomly selected customer orders coffee a) Create EITHER a hypothetical two-way table or a tree diagram to represent the situation. 4) What is the conditional probability that a randomly selected customer ordered coffee, given that he/she ordered a biscotti? b) What is the conditional probability that a randomly selected customer did NOT order coffee, given that he/she ordered a biscotti? c)

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