Exercise 1: You own two surfboards, a blue one and a purple one. You surf everyday and the probability you use your blue surfboard on a random day is 0.65. You can assume you surf only once a day and that different days are independent. a) [4 points] What is the probability that you will use your blue surfboard at most ve times next week? b) [4 points] What is the probability that next week you will use your blue surfboard for the rst time on Wednesday? (The week starts on Monday)