The probability that Amanda successfully passes her maths exam depends on the exam topic. The probability that the topic is statistics is 0.35 and the probability she passes this topic is only 0.3. The probability that Amanda passes any other topic during the exam is 0.8. (a) Complete the following tree diagram. 0.3 pass Statistics not pass any other topic pass not pass (b) Find the probability that Amanda does not pass the exam. [3] [3