Question 6 (8 marks] Xuan has three attempts at their G-class driver's license. At the rst status of pass, Xuan is award G-class status. However, if Xuan fails all 3 attempts of the test, Xuan must re-take driving school classes and start from the beginning, for example, 8 months having a GI license and driving with an experienced driver. Xuan has been practicing and is told she has a 70% chance of passing on her first attempt. However, Xuan is unfortunately discouraged by failure and starts to overthink the processes involved in driving. Anytime Xuan fails an attempt, she is half as._likely to pass on the next attempt. a) [3 marks) Draw a tree diagram to represent this information. b) [2 marks} What is the probability that Xuan will receive her Gclass license with a maximum of 3 attempts? c} [3 marks} What is the probability Xuan will receive her Gclass license, given that she fails on the rst attempt