[填空题]
The probability that h+tj5 x .cggug jjn*5(9v;ibm;me/xc wfy k h5z1rv*4Amanda 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. Tvm;ywkiz9 v5;/f* e4r h1xbcmhe probability that Amanda passes any other topic during the exam is 0.8.
1.Complete the following tree diagram.
2.Find the probability that Amanda does not pass the exam.
