Question 1 a) A brand head manager found that 73% of the customers are teenagers. Majority of them prefer ewallet payment. The probability that a customer prefers ewallet payment given that the customer is a teenager is 0.85. If a customer is not a teenager, the probability that he/she prefers ewallet payment is 0.23. Illustrate the above scenario by tree diagram. (4 marks) (it) Compute the probability that a selected customer is a teenager and prefers cwallet payment. (2 marks) (ili) If a selected customer prefers ewallet, compute the probability that the customer is not a teenager. How can you classify this type of probability? (4 marks] (iv) Are the events 'customer is a teenager' and "customer prefer ewallet payment' independent? Provide your answer with a reason. (2 marks)